Wiring Diagrams for GMC Forward Control P3500 (1985-1999)

A/c circuit Heater circuit

4.3l (vin w), a/c circuit 4.3l (vin w), air conditioning circuits 4.3l vin w, manual a/c circuit Heater circuit

5.7l (vin r), a/c circuit 5.7l (vin r), air conditioning circuits 5.7l vin r, manual a/c circuit Heater circuit

6.5l (vin f), a/c circuit 6.5l (vin f), air conditioning circuits 6.5l vin f, manual a/c circuit, commercial chassis 6.5l vin f, manual a/c circuit, motor home chassis 6.5l (vin y), a/c circuit 6.5l (vin y), air conditioning circuits 6.5l vin y, manual a/c circuit Heater circuit

7.4l (vin j), a/c circuit 7.4l (vin j), air conditioning circuits 7.4l vin j, manual a/c circuit 7.4l (vin n), a/c circuit 7.4l (vin n), air conditioning circuits Heater circuit

Anti-lock brake circuits, commercial chassis Anti-lock brake circuits, motor home chassis

Computer data lines, commercial chassis Computer data lines, motor home chassis

4.3l (vin z), data link connector circuit 4.3l (vin z), data link connector circuit, commercial chassis with a/t 4.3l (vin z), data link connector circuit, commercial chassis with m/t 4.3l (vin z), data link connector circuit, cutaway

5.7l (vin k), data link connector circuit 5.7l (vin k), data link connector circuit, commercial chassis with a/t 5.7l (vin k), data link connector circuit, commercial chassis with m/t 5.7l (vin k), data link connector circuit, cutaway

6.5l (vin f), data link connector circuit 6.5l (vin f), data link connector circuit, commercial chassis 6.5l (vin y), data link connector circuit 6.5l (vin y), data link connector circuit, commercial chassis

7.4l (vin n), data link connector circuit 7.4l (vin n), data link connector circuit, commercial chassis 7.4l (vin n), data link connector circuit, cutaway 7.4l (vin n), data link connector circuit, motorhome chassis

Cooling fan circuit

6.5l (vin f), cooling fan circuit 6.5l (vin y), cooling fan circuit

7.4l (vin j), cooling fan circuit 7.4l (vin n), cooling fan circuit

Cruise control circuit, cutaway chassis Cruise control circuit, motor home chassis

4.3l vin w, cruise control circuit

5.7l vin r, cruise control circuit

6.5l vin f, cruise control circuit 6.5l (vin f), cruise control circuit, motor home chassis 6.5l vin y, cruise control circuit

7.4l vin j, cruise control circuit 7.4l (vin j), cruise control circuit, motor home chassis 7.4l (vin n), cruise control circuit, motor home chassis

Wiring diagram engine performance 4.3l vin ws Wiring diagram engine performance 4.3l (vin w)s, commercial chassis Wiring diagram engine performance 4.3l (vin z)s, a/t Wiring diagram engine performance 4.3l (vin z)s, a/t commercial chassis Wiring diagram engine performance 4.3l (vin z)s, a/t except cutaway Wiring diagram engine performance 4.3l (vin z)s, m/t Wiring diagram engine performance 4.3l (vin z)s, m/t commercial chassis

Wiring diagram engine performance 5.7l (vin k)s, a/t commercial chassis and motorhome Wiring diagram engine performance 5.7l (vin k)s, a/t except cutaway Wiring diagram engine performance 5.7l (vin k)s, a/t p/g cutaway (1 of 3) Wiring diagram engine performance 5.7l (vin k)s, a/t p/g cutaway (2 of 3) Wiring diagram engine performance 5.7l (vin k)s, a/t p/g cutaway (3 of 3) Wiring diagram engine performance 5.7l (vin k)s, cutaway chassis (1 of 3) Wiring diagram engine performance 5.7l (vin k)s, cutaway chassis (2 of 3) Wiring diagram engine performance 5.7l (vin k)s, cutaway chassis (3 of 3) Wiring diagram engine performance 5.7l (vin k)s, m/t commercial chassis Wiring diagram engine performance 5.7l vin rs Wiring diagram engine performance 5.7l (vin r)s, commercial chassis

Wiring diagram engine performance 6.5l (vin f)s Wiring diagram engine performance 6.5l (vin f)s, motor home chassis Wiring diagram engine performance 6.5l vin fs, motorhome chassis (1 of 4) Wiring diagram engine performance 6.5l vin fs, motorhome chassis (2 of 4) Wiring diagram engine performance 6.5l vin fs, motorhome chassis (3 of 4) Wiring diagram engine performance 6.5l vin fs, motorhome chassis (4 of 4) Wiring diagram engine performance 6.5l (vin y)s, a/t Wiring diagram engine performance 6.5l (vin y)s, a/t commercial chassis Wiring diagram engine performance 6.5l (vin y)s, commercial chassis - electronic Wiring diagram engine performance 6.5l (vin y)s, commercial chassis - mechanical Wiring diagram engine performance 6.5l (vin y)s, m/t Wiring diagram engine performance 6.5l (vin y)s, m/t commercial chassis

Wiring diagram engine performance 7.4l vin js Wiring diagram engine performance 7.4l (vin j)s, motor home chassis Wiring diagram engine performance 7.4l (vin n)s, a/t commercial chassis and motorhome Wiring diagram engine performance 7.4l (vin n)s, a/t except cutaway Wiring diagram engine performance 7.4l (vin n)s, a/t p/g cutaway (1 of 3) Wiring diagram engine performance 7.4l (vin n)s, a/t p/g cutaway (2 of 3) Wiring diagram engine performance 7.4l (vin n)s, a/t p/g cutaway (3 of 3) Wiring diagram engine performance 7.4l (vin n)s, cutaway chassis (1 of 3) Wiring diagram engine performance 7.4l (vin n)s, cutaway chassis (2 of 3) Wiring diagram engine performance 7.4l (vin n)s, cutaway chassis (3 of 3) Wiring diagram engine performance 7.4l (vin n)s, motor home chassis

Back-up lamps circuit, commercial chassis Backup lamps circuit, commercial chassis Back-up lamps circuit, motor home chassis Back-up lamps circuit, motorhome chassis Backup lamps circuit, motor home chassis Exterior lamps circuit, commercial chassis Exterior lamps circuit, motor home chassis Exterior lamps circuit, motorhome chassis Exterior light circuit, commercial chassis Exterior light circuit, cutaway chassis Exterior light circuit, motor home chassis

Ground distribution circuit, commercial chassis Ground distribution circuit, cutaway chassis Ground distribution circuit, motor home chassis Ground distribution circuit, motorhome chassis

Headlamps circuit, commercial chassis Headlamps circuit, commercial chassis with drl Headlamps circuit, cutaway chassis Headlamps circuit, cutaway chassis with drl Headlamps circuit, motor home chassis Headlamps circuit, motor home chassis with drl Headlight circuit, commercial chassis with drl Headlight circuit, commercial chassis without drl Headlight circuit, cutaway chassis with drl Headlight circuit, cutaway chassis without drl Headlight circuit, motor home chassis with drl Headlight circuit, motor home chassis with dual headlamps drl Headlight circuit, motor home chassis with dual headlamps with drl Headlight circuit, motor home chassis with dual headlamps without drl Headlight circuit, motor home chassis without drl Headlight circuit, motor home chassis with single headlamps drl Headlight circuit, motor home chassis with single headlamps with drl Headlight circuit, motor home chassis with single headlamps without drl

Horn circuit Horn circuit, commercial chassis Horn circuit, commercial & motorhome chassis Horn circuit, cutaway chassis Horn circuit, motor home chassis

Instrument cluster circuit, commercial chassis Instrument cluster circuit, cutaway chassis Instrument cluster circuit, motor home chassis Instrument cluster circuit, motorhome chassis

Interior light circuit, commercial chassis Interior light circuit, cutaway chassis Interior light circuit, motor home chassis Interior light circuit, motorhome chassis

Power distribution circuit, commercial chassis Power distribution circuit, commercial chassis (diesel) (1 of 2) Power distribution circuit, commercial chassis (diesel) (2 of 2) Power distribution circuit, commercial chassis (gasoline) (1 of 2) Power distribution circuit, commercial chassis (gasoline) (2 of 2) Power distribution circuit, cutaway chassis Power distribution circuit, motor home chassis Power distribution circuit, motorhome chassis

Power door lock circuit

Power window circuit Power window circuit, cutaway chassis

Shift interlock circuit Shift interlock circuit, commercial chassis Shift interlock circuit, cutaway chassis Shift interlock circuit, motor home chassis Shift interlock circuit, motorhome chassis

Charging circuit Charging circuit, commercial chassis (diesel) Charging circuit, commercial chassis (gasoline) Charging circuit, cutaway chassis Charging circuit, motor home chassis Starting circuit Starting circuit, commercial chassis Starting circuit, commercial chassis (diesel) Starting circuit, commercial chassis (gasoline) Starting circuit, cutaway chassis Starting circuit, motor home chassis

4.3l vin w, a/t circuit 4.3l (vin w), transmission circuit 4.3l (vin w), transmission circuit, 4l80-e 4.3l (vin z), transmission circuit 4.3l (vin z), transmission circuit, 4l80-e

5.7l (vin k), transmission circuit 5.7l (vin k), transmission circuit, 4l80-e 5.7l vin r, a/t circuit 5.7l (vin r), transmission circuit 5.7l (vin r), transmission circuit, 4l80-e

6.5l (vin f), transmission circuit 6.5l (vin f), transmission circuit, 4l80-e 6.5l vin y, a/t circuit, with electronic engine controls 6.5l vin y, a/t circuit, without electronic engine controls 6.5l (vin y), transmission circuit 6.5l (vin y), transmission circuit, 4l80-e 6.5l (vin y), transmission circuit, with electronic engine controls 6.5l (vin y), transmission circuit, without electronic engine controls

7.4l vin j, a/t circuit 7.4l (vin j), transmission circuit 7.4l (vin j), transmission circuit, 4l80-e 7.4l (vin n), transmission circuit 7.4l (vin n), transmission circuit, 4l80-e

Warning system circuits, commercial chassis Warning system circuits, cutaway chassis Warning system circuits, motor home chassis Warning system circuits, motorhome chassis

Front washer/wiper circuit, commercial chassis Front washer/wiper circuit, cutaway Front washer/wiper circuit, cutaway chassis Front wiper/washer circuit, motor home chassis Provisions for front wiper/washer circuit, commercial chassis Provisions for front wiper/washer circuit, motor home chassis Wiper/washer provisions circuit, motorhome chassis

A/C COMPRESSOR CLUTCH DIODE A/C COMPRESSOR CLUTCH DIODE A/C COMPRESSOR CLUTCH ACCY BULB TEST LOCK ACCY BULB TEST LOCK OFF ANTI-LOCK BRAKE SYSTEM ANTI-LOCK BRAKES ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES SYSTEM PPL ANTI-LOCK BRAKES, CRUISE CONTROL, SHIFT INTERLOCK SYSTEMS BATTERY FEED BATTERY FEED 4 WHL LOW SW BATTERY FEED RANGE SIGNAL B RANGE SIGNAL A BATTERY GROUND BATTERY IN BATTERY INPUT GROUND BATTERY JUNCTION BLOCK BATTERY WASTEGATE SOL CTRL DIODE A/C COMPRESSOR CLUTCH DIODE NETWORK DIODE NETWORK (DASH HARN, FROM BREAKOUT FOR GENERATOR) FROM GENERATOR B+ BREAKOUT) FUEL HEATER GENERATOR GENERATOR GENERATOR GENERATOR JUMPER BREAKOUT) HIGH NOTE HORN HIGH NOTE HORN STEERING COLUMN HOLD- IN COIL HORN BREAKOUT) IGNITION COIL IGNITION COIL DRIVER IN LINE DIODE LEFT HORN LEFT INNER HEADLAMP LOW NOTE HORN LOCK LOCK OFF OFF LOCK OFF LOW NOTE HORN LOW NOTE HORN LEFT HEADLAMP MAP REFERENCE IGNITION FUSED BATTERY FEED NOT USED STARTER FEED PICKUP COIL PPL ANTI-LOCK BRAKE SYSTEM PPL ANTI-LOCK BRAKES SYSTEM PPL PPL STARTER FEED PULL- IN COIL PULL- IN COIL HOLD- IN COIL RIGHT FRONT BATTERY LEFT REAR BATTERY RIGHT HORN STARTER CIRCUIT STOP LAMP RESISTOR TO ALT, ECM-CRANK, TURN-B/U, TRANS, INJECTOR FUSES AND IGNITION COIL TO ALT, ECM-CRNK, TURN-B/U, TRANS, INJ FUSES AND IGNITION COIL TP SIGNAL 5 VOLT REF INJECTOR 2 CONTROL BATTERY FEED

6.5L ENGINE 7.4L VIN J ENGINE 465 1229 FUEL PMP RLY CTRL FORCE MOTOR HI (7.5L: ENGINE HARN, (ENGINE COMPARTMENT, BEHIND BATTERY (LEFT LOWER (ENGINE HARN, (ENGINE HARNESS, (ENGINE HARNESS, 15 CM FROM A/C COMPRESSOR (GAS: DASH SIDE OF ENGINE HARN, ENGINE CONTROL SYSTEM (I/P SIDE OF ENGINE HARNESS, (RIGHT FRONT OF ENGINE AUXILARY ENGINE COOLANT FAN MOTOR AUXILIARY ENGINE COOLANT FAN AUXILIARY ENGINE COOLANT FAN MOTOR BLOWER MOTOR BREAKOUT FOR ENGINE COOLANT FAN MOTOR) DAYTIME RUNNING LAMPS MODULE WIPER MOTOR DIESEL: ENGINE HARN, 32 CM FROM BREAKOUT TO BATTERY JUNCTION BLOCK) ENGINE BLOCK) ENGINE CONTROLS OR STARTING/ CHARGING SYSTEM ENGINE CONTROLS OR STARTING/CHARGING SYSTEM ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM TRANSMISSIONS SYSTEM ENGINE CONTROLS SYSTEMS ENGINE COOLANT FAN MOTOR ENGINE GROUND ENGINE SHUT OFF SOLENOID ENGINE SHUT-OFF SOLENOID FUEL SOLENOID DRIVER ENGINE SHUTOFF SOLENOID IDLE SPEED CONTROL ACTUATOR LEFT DOOR LOCK MOTOR LEFT FRONT WINDOW MOTOR OF ENGINE) PPL PPL ENGINE CONTROLS SYSTEM PROVISIONS FOR WINDSHIELD WASHER MOTOR PROVISIONS FOR WIPER/ WASHER MOTOR PROVISIONS FOR WIPER/WASHER MOTOR PUMP MOTOR POWER PUMP MOTOR GROUND RIGHT DOOR LOCK MOTOR RIGHT FRONT WINDOW MOTOR SERVICE ENGINE SOON SERVICE ENGINE SOON INDIC SERVICE ENGINE SOON LAMP SHIFT SOL. SHIFT SOL. SHIFT SOL. SHIFT SOL. FORCE MOTOR STARTER MOTOR VSS OUTPUT SIGNAL VSS OUTPUT SIGNAL CHECK ENGINE LP CTRL VSS OUTPUT SIGNAL VSS OUTPUT SIGNAL CHECK ENGINE LP CTRL 389 419 W/ DIESEL ENGINE WINDSHIELD WIPER MOTOR WINDSHIELD WIPER MOTOR BREAKOUT) WINDSHIELD WIPER MOTOR MODULE WIPER MOTOR

EGR ELECTRONIC VACUUM REGULATOR SOLENOID VALVE EGR ELECTRONIC VACUUM REGULATOR VALVE SOLENOID EXHAUST GAS REGULATOR SOLENOID VALVE GENERATOR PARK BRAKE LOW PRESSURE INDICATOR SWITCH PARK BRAKE PULL BUTTON SWITCH

6 9 DATA LINK CONNECTOR 9 6 DATA LINK CONNECTOR CONNECTOR FOR DOME LAMP DATA LINK CONNECTOR DATA LINK CONNECTOR (BEHIND LEFT SIDE SHIPPING FUEL PUMP PRIME CONNECTOR HEADLAMP SWITCH CONNECTOR) IN-LINE CONNECTOR PROVISIONS FOR BODY BUILDER PPL DATA LINK CONNECTOR TOWARD BREAKOUT FOR GRNERATOR CONNECTOR) WIPER MOTOR CONNECTOR

BREAKOUT FOR CRUISE CONTROL MODULE, TOWARD RELAYS) BREAKOUT FOR ENGINE COOLANT FAN MOTOR, TOWARD CRUISE CONTROL MODULE) CRUISE CONTROL MODULE CRUISE CONTROL SWITCH CURISE CONTROL MODULE DAYTIME RUNNING LAMP CONTROL MODULE DAYTIME RUNNING LAMPS CONTROL MODULE DAYTIME RUNNING LAMPS CONTROL MODULE PULSE WIPER CONTROL MODULE ELECTRONIC BRAKE CONTROL MODULE ELECTRONIC BRAKE CONTROL MODULE, CRUISE CONTROL MODULE FROM BREAKOUT FOR CRUISE CONTROL MODULE, TOWARD ENG) FUEL CONTROL MODULE FUEL PUMP OIL PRESSURE SWITCH FUEL PUMP RELAY POWERTRAIN CONTROL MODULE FUEL PUMP RELAY VEHICLE CONTROL MODULE IGNITION COIL VEHICLE CONTROL MODULE IGNITION CONTROL MODULE INSTRUMENT CLUSTER IGNITION CONTROL MODULE POWERTRAIN CONTROL MODULE POWERTRAIN CONTROL MODULE VEHICLE CONTROL MODULE POWERTRAIN/ VEHICLE CONTROL MODULE PULSE WIPER CONTROL MODULE A/C COMPRESSOR CLUTCH SEATBELT/ LAMPS ALARM MODULE DAYTIME RUNNING LAMP CONTROL MODULE TRANSMISSION CONTROL MODULE VEHICLE CONTROL MODULE VEHICLE CONTROL MODULE LINEAR EGR SOLENOID VALVE

1-3 FUSE 9 ACC RADIO FUSE ALT FUSE AUTO APPLY FUSE 19 AUX CIRCUIT BREAKER HTR FUSE AUX FUSE BLANK FUSE BRAKE FUSE BUSS BAR GAUGES FUSE 8 CB CB I-3 FUSE 9 CRANK FUSE 18 CRNK FUSE ECM-CRNK FUSE DASH FUSE BLOCK DRL FUSE DRL FUSE PWR ACC CIRCUIT BREAKER ECM 1 FUSE ECM 1 FUSE 12 ECM 2 FUSE 12 ECM B FUSE 6 ECM BAT FUSE ECM BAT FUSE ECM CRNK FUSE ECM BATT FUSE ECM CRANK FUSE ECM CRNK FUSE ECM BAT FUSE ECM I FUSE ECM-1 FUSE 20 A ECM-1 FUSE,, GAUGES FUSE ECM-BAT FUSE 6 ECM-BAT FUSE ACC BUS ECM-BAT FUSE ACC-RADIO FUSE ECM-CRNK FUSE ENG 1 FUSE ENG 1 FUSE 15 ENG BAT FUSE 10 ENG-1 FUSE 20 A ENG-1 FUSE TRANS FUSE ENG-1 FUSE TRANS FUSE 17 ENG-B FUSE 10 ENG-BAT FUSE FROM FUSE BLOCK) FROM FUSE PANEL) FROM GAUGES FUSE DIAGRAM 4 OF 4) FROM I/P FUSE BLOCK) PNK WIRE FUEL PUMP FUSE FUEL PUMP STOP-HZ FUSE FUSE FUSE BLOCK FUSE BLOCK BREAKOUT) FUSE BLOCK TRANS FUSE FUSE BLOCK, GLOW PLUG CONTROLLER FUSE BLOCK- I/P FUSE BLOCK: I/P INSTR LPS FUSE FUSE OUTPUT- ACCESSORY TYPE 3 FUSE GAGES FUSE GAGES FUSE SHUNT GAUGES FUSE GAUGES FUSE 8 GAUGES FUSE TRANS FUSE HORN DIM FUSE 3 HORN DM FUSE 3 HORN- DM FUSE HORN/ DM FUSE TAIL LPS FUSE HORN/DM FUSE HORN/DM FUSE 3 HORN/DM TAIL LPS FUSE FUSE HORN/DM TAIL LPS FUSE FUSE SHUNT HOT AT ALL TIMES FUSE BLOCK STOP FUSE HOT AT ALL TIMES HORN/DM FUSE HOT IN RUN ENG 1 FUSE HOT IN RUN OR START FUSE BLOCK HOT IN RUN OR START GAUGES FUSE HOT IN START OR RUN ALT FUSE HOT IN START OR RUN FUSE BLOCK TRANS FUSE HTR A/C FUSE HTR FUSE HTR FUSE 1 HTR FUSE HTR BUS I-3 FUSE I-3 FUSE 9 I/P FUSE BLOCK I/P FUSE BLOCK BREAKOUT) I/P FUSE BLOCK) INSTRUMENT CLUSTER I/P FUSE BOX I/P LPS FUSE INJ FUSE INST LPS FUSE INSTR LPS FUSE INSTR LPS FUSE 16 INSTR-LPS CRANK FUSE FUSE INSTR-LPS LPS BUS FUSE INSTRUMENT LAMPS FUSE LPS BUS GAGES FUSE INSTR-LPS FUSE PWR ECM-BAT CIRCUIT BREAKER FUSE PWR FUSE PWR WDO CIRCUIT BREAKER HTR A/C FUSE RADIO FUSE RADIO FUSE 4 STOP- HAZ FUSE ECM- BAT FUSE STOP- HZ FUSE STOP-HAZ FUSE 11 STOP/ HAZ FUSE STOP/HAZ FUSE STOP/HAZ FUSE 1 STOP/HAZ FUSE 11 TAIL LAMPS FUSE TAIL LAMPS FUSE 7 TAIL LPS FUSE TAIL LPS FUSE 7 TAIL LPS FUSE FUSE TAIL LPS FUSE HORN/DM FUSE TO ECM 1 FUSE DIAGRAM 3 OF 4) TRANS FUSE TRANS FUSE 17 TRANSMISSION FUSE 17 TURN B/U FUSE 5 TURN-B/U FUSE TURN-B/U FUSE RADIO WIPER FUSE FUSE WIPER FUSE WIPER FUSE 14 WIPER FUSE WIPER FUSE 14

FUEL HEATER HEATER CONTROL LAMP HEATER RADIO CONTROL LAMP

DAYTIME RUNNING LAMP INDICATOR DRL INDICATOR EGR CONTROL MALFUNCTION INDICATOR LAMP IGN ECM FUSED FASTEN BELTS INDICATOR HI BEAM INDICATOR INSTRUMENT CLUSTER HI BEAM INDICATOR INSTRUMENT CLUSTER SYSTEM HI BEAM INDICATOR INSTRUMENT TRANSMISSION CLUSTER RANGE INDICATOR LAMP LEFT TURN INDICATOR MALFUNCTION INDICATOR LAMP PARK BRAKE INDICATOR SWITCH RIGHT TURN INDICATOR SERVICE ENGINE SOON INDICATOR SERVICE THROTTLE SOON INDICATOR SERVICE TRANSMISSION INDICATOR TRANS- MISSION RANGE INDICATOR LAMP HEATER CONTROL LAMP TRANSMISSION INSTRUMENT AUDIO POSITION CLUSTER ALARM INDICATOR MODULE LAMP TRANSMISSION POSITION INDICATOR LAMP TRANSMISSION RANGE INDICATOR LAMP W/BRAKE WARNING INDICATOR SYSTEM WATER IN FUEL INDICATOR

"SERVICE THROTTLE" LAMP "TRANS" LAMP (FORWARD LAMP BULB TEST DAYTIME RUNNING LAMP MODULE DAYTIME RUNNING LIGHTS IND DOME LAMP FRONT DOME LAMP FRONT DOME LAMP RADIO GLOW PLUG WAIT LAMP HAZARD LAMP FLASHER HEAD- LIGHTS SYSTEM HOT IN RUN, BULB TEST OR START IGN ABS LAMP CONTROL BRAKE SW INPUT IGN FEED IND LAMP OUT GROUND IGNITION ABS LAMP CONTROL BRAKE SW INPUT ILLUM LAMP INTERIOR LIGHTS SYSTEM WARNING SYSTEMS LAMP ON INPUT LEFT BACKUP LAMP LEFT BACKUP LAMP RIGHT BACKUP LAMP LEFT FRONT MARKER LAMP LEFT FRONT PARK/ TURN SIGNAL LAMP LEFT FRONT SIDE MARKER LAMP LEFT HEAD- LAMP LEFT HEAD- LAMP BREAKOUT) LEFT HEAD- LAMP HI HI LO LEFT HI BEAM HEAD- LAMP LEFT HIGH BEAM HEAD- LAMP LEFT LICENSE LAMP LEFT LICENSE LAMP RIGHT LICENSE LAMP LEFT PARK AND TURN LAMP LEFT PARK LAMP LEFT PARK/ TURN SIGNAL LAMP LEFT PARK/ TURN SIGNAL LAMP RIGHT PARK/ TURN SIGNAL LAMP LEFT REAR SIDE MARKER LAMP LEFT SIDE MARKER LAMP LEFT SIDE MARKER LAMP LEFT TAIL STOP AND TURN LAMP LEFT TAIL/ STOP/ TURN SIGNAL LAMP LEFT TAIL/STOP TURN LAMP LEFT TURN/ PARK LAMP ASSEMBLY LIGHTS ON INPUT SAFETY BELT INPUT PPL BULB CHECK PRNDL LAMP PROVISION FOR CENTER HIGH MOUNTED STOP LAMP PROVISION FOR DOME LAMP PROVISION FOR LEFT BACKUP LAMP PROVISION FOR RIGHT BACKUP LAMP PROVISIONS FOR LEFT SIDE MARKER LAMP PROVISIONS FOR REAR DOME LAMP PROVISIONS FOR RIGHT SIDE MARKER LAMP RIGHT BACKUP LAMP RIGHT BACKUP LAMP LEFT BACKUP LAMP RIGHT FRONT MARKER LAMP RIGHT FRONT PARK/ TURN LAMP LEFT FRONT PARK/ TURN LAMP RIGHT FRONT PARK/ TURN SIGNAL LAMP RIGHT FRONT SIDE MARKER LAMP RIGHT HEAD LAMP LO RIGHT HEAD- LAMP RIGHT HI BEAM HEAD- LAMP RIGHT HIGH BEAM HEAD- LAMP RIGHT LICENSE LAMP RIGHT LICENSE LAMP RIGHT TAIL/STOP/ TURN LAMP RIGHT PARK AND TURN LAMP RIGHT PARK LAMP RIGHT PARK/ TURN SIGNAL LAMP RIGHT REAR SIDE MARKER LAMP RIGHT REAR SIDE MARKER LAMP RIGHT LICENSE LAMP LEFT LICENSE LAMP RIGHT REAR SIDE MARKER LAMP RIGHT REAR LICENSE LAMP LEFT REAR LICENSE LAMP RIGHT SIDE MARKER LAMP RIGHT TAIL/ STOP/ TURN SIGNAL LAMP RIGHT TAIL/STOP TURN LAMP RIGHT TURN/ PARK LAMP ASSEMBLY SEAT BELT LAMP OUTPUT SIDE MARKER LAMP LEFT FRONT SIDE MARKER LAMP RIGHT FRONT VSS SIG SERIAL DATA LINE SERIAL DATA SIGNAL BRAKE LAMP CONTROL EBCM GROUND W/ DAYTIME RUNNING LIGHTS WAIT LAMP

BATTERY FEED FUEL PUMP SIGNAL IC REFERENCE LOW FUEL LIFT PUMP FUEL PUMP FUEL PUMP MODULE FUEL PUMP SIGNAL MAP SIGNAL PUMP CAM SIG WINDSHIELD WASHER PUMP

(ENG HARN, APPROX 11 CM FROM BREAKOUT FOR FUEL PUMP, STARTER RELAY A/C COMPRESSOR CLUTCH RELAY A/C COMPRESSOR CONTROL RELAY A/C COMPRESSOR RELAY A/C COMPRESSOR RELAY CTRL A/C COMPRESSOR RELAY FAN CONTROL RELAY A/C COMPRESSOR RELAY GENERATOR A/C COMPRESSOR RELAY, GENERATOR PNK WIRE A/C COMPRESSOR RELAY, GENERATOR, SEAT BELT/ HEADLAMPS ALARM MODULE A/C COMPRESSOR RELAY, GENERATOR, TURBO CHARGER POWER VALVE AUTO APPLY PARK BRAKE DATA LINK CONN- ECTOR FUEL PUMP RELAY AUXILIARY COOLING FAN RELAY AUXILIARY COOLING FAN RELAY DAYTIME RUNNING LAMPS AUXILIARY ENGINE COOLANT FAN RELAY BLOWER RELAY BODY BUILDER'S DAYTIME RUNNING LAMPS JUNCTION BLOCK RELAY BRAKE SHIFT INTERLOCK RELAY BRAKE/ TRANS- MISSION SHIFT INTERLOCK SOLENOID RELAY BRAKE/ TRANSMISSION SHIFT INTERLOCK RELAY BRAKE/ TRANSMISSION SHIFT INTERLOCK RELAY DAYTIME RUNNING LAMPS RELAY DATA LINK CONN- ECTOR FUEL PUMP RELAY DAYTIME RUNNING LAMP CUTOFF RELAY DAYTIME RUNNING LAMP RELAY DAYTIME RUNNING LAMP RELAY 2 DAYTIME RUNNING LAMP RELAY INSTRUMENT CLUSTER DAYTIME RUNNING LAMPS AUXILIARY COOLING FAN RELAY DAYTIME RUNNING LAMPS HORN RELAY DAYTIME RUNNING LAMPS MODULE DAYTIME RUNNING LAMPS RELAY DAYTIME RUNNING LAMPS RELAY DAYTIME RUNNING LAMPS RELAY 2 DAYTIME RUNNING LAMPS RELAY DAYTIME RUNNING LAMPS MODULE DAYTIME TRANSMISSION RUNNING LAMP RELAY RANGE INDICATOR LAMP FUEL CYCLE MODULE DOOR LOCK RELAY DRL MODULE, DRL RELAY, GENERATOR FAN CONTROL RELAY FAN CONTROL RELAY GLOW PLUG CONTROLLER FUEL CYCLE MODULE DAYTIME RUNNING LAMPS RELAY FUEL INJECTION PUMP SHUTOFF SOLENOID,, FUEL PUMP RELAY FUEL PUMP RELAY FUEL PUMP RELAY CTRL FUEL PUMP RELAY CTRL PCS LOW FUEL PUMP RELAY FUEL PUMP OIL PRESSURE SWITCH HAZARD FLASHER FUEL PUMP RELAY, FUEL PUMP/ OIL PRESSURE SWITCH FUEL PUMP RELAY, SWITCH GLOW PLUG CONTROL RELAY HEADLAMPS/ PANEL DIMMER SWITCH PARK BRAKE PULL BUTTON RELAY HIGH BLOWER RELAY HORN RELAY IGNITION LAMP FEED HI BEAM FEED HI BEAM INDICATOR OUTPUT TO RELAY GROUND IN PCM BREAKOUT, 20 CM FROM MAIN HARNESS TOWARD FUEL PUMP RELAY) LEFT DOOR LOCK SWITCH DOOR LOCK RELAY PARK BRAKE ALARM RELAY PARK BRAKE PRESSURE VALVE SOLENOID PARK BRAKE PUMP RELAY PARK BRAKE PUMP MOTOR PARK BRAKE PULL BUTTON RELAY PARK BRAKE PUMP MOTOR RELAY PARK/ NEUTRAL POSITION SWITCH RELAY PNK IGNITION LAMP FEED HI BM FEED HI BM INDICATOR DRL RELAY CTRL GROUND WIRE PNK IGNITION LAMP FEED HI BM FEED HI BM INDICATOR RELAY OUT GROUND WIRE PNK IGNITION LAMP FEED HI BM INPUT HI BM INDICATOR RELAY CONTROL GROUND WIRE POWER DOOR LOCK RELAY RELAY CTRL RELAY SOCKETS) STARTER MOTOR RELAY STARTER RELAY UNDERHOOD FUSE-RELAY CENTER

451 451 TCM GROUND TCM GROUND SENSOR RETURN 1227 433 TRANS FLUID TEMP SIG BARO SENSOR INPUT A/T OUTPUT SPEED SENSOR A/T OUTPUT SPEED SENSOR SHIELD APP 1 SENSOR APP 2 SENSOR APP 2 SENSOR APP 3 SENSOR APP 3 SENSOR BRAKE/ TRANSMISSION SHIFT INTERLOCK SOLENOID VEHICLE SPEED SENSOR BUFFER CAMSHAFT POSITION SENSOR (7.4L VIN J CLOSURE SIGNAL BOOST SENSOR SIG PRESS CTRL SOL VLV LO COLD ADVANCE FAST IDLE TEMPERATURE SWITCH WATER-IN-FUEL SENSOR CRANKSHAFT POSITION SENSOR DIAGNOSTIC TEST TP SENSOR SIGNAL INJECTOR 1 CONTROL ECT SENSOR IN ENG SPEED SENS IN SENSOR RETURN TP SENS SIG ENGINE DATA LINK CONNECTOR TRANSMISSION CONTROL MODULE COOLANT LEVEL SENSOR ENGINE OIL PRESSURE INDICATOR SENSOR, FUEL PUMP RELAY ENGINE SPEED SENS IN SENSOR RETURN TP SENS SIG ENGINE SPEED SIGNAL SENSOR GROUND TP SENSOR INPUT FROM BREAKOUT TO RIGHT OXYGEN SENSOR) FROM ECT SENSOR BREAKOUT) FROM MAF SENSOR BREAKOUT) FROM TP SENSOR BREAKOUT) FUEL LEVEL SENSOR FUEL PUMP RELAY FUEL PUMP SWITCH, ENGINE OIL PRESSURE GAUGE SENSOR FUEL PUMP RELAY, ENGINE OIL PRESSURE INDICATOR SENSOR FUEL PUMP RELAY, FUEL PUMP SWITCH/ENGINE OIL PRESSURE INDICATOR SENSOR HALL EFFECT SENSOR HALL EFFECT SENSOR PNK WIRE HEATED OXYGEN SENSOR HEATED OXYGEN SENSOR BANK 1 SENSOR 1 HEATED OXYGEN SENSOR BANK 1 SENSOR 2 HEATED OXYGEN SENSOR BANK 2 SENSOR 1 HEATED OXYGEN SENSOR BANK 2 SENSOR 1 CAMSHAFT POSITION SENSOR FAN CONTROL RELAY HEATED OXYGEN SENSOR BANK 2 SENSOR 1 HEATED OXYGEN SENSOR BANK 1 SENSOR 2 HEATED OXYGEN SENSOR BANK 2 SENSOR 2 HEATED OXYGEN SENSOR NO.1 HEATED OXYGEN SENSOR NO.2 HEATED OXYGEN SENSOR NO.3 HEATED OXYGEN SENSOR NO.4 IC BYPASS SENSOR GROUND SENSOR GROUND TFT SIGNAL IC BYPASS SENSOR GROUND SENSOR GROUND TFT SIGNAL 470 455 PPL IC CONTROL IC BYPASS OXYGEN SENSOR GROUND OXYGEN SENSOR SIGNAL KNOCK SENSOR INPUT ECT SIGNAL KNOCK SENSOR SIGNAL KNOCK SENSOR SYSTEM LEFT FRONT WHEEL SPEED SENSOR MAP SENSOR IN IAT SENS SIG ECT SENSOR IN THROTTLE POSIT SENS TANK PRESSURE MASS AIR FLOW SENSOR MASS AIR FLOW SENSOR HEATED OXYGEN SENSOR BANK 1 SENSOR 1 OUTPUT SHAFT SPEED SENSOR OXYGEN SENSOR GROUND RANGE MODE SELECTOR TRANSMISSION TEMPERATURE SENSOR RETURN SENSOR CKP RIGHT FRONT WHEEL SPEED SENSOR RTN SENSOR SENSOR BREAKOUT) SENSOR CKP SENSOR GND SENSOR GROUND SENSOR LOW SENSOR LOW SENSOR HIGH SENSOR HIGH 873 833 SENSOR RETURN SENSOR RTN SENSOR SIG SENSOR SIGNAL SERIAL DATA DIAGNOSTIC TEST TERMINAL VSS SIGNAL SENSOR GROUND SYSTEM GROUND SIG SENSOR SIGNAL SENSOR SIGNAL SENSOR CKP SPEED SENSOR INPUT SYSTEM GND CLOSURE GRD APP 2 SENS GND APP 1 SENS GND APP 3 SENS GND SENSOR GND SYSTEM GROUND MAP SENSOR GROUND SYSTEM GROUND SYSTEM GROUND 452 416 SENSOR GROUND 5 VOLTS REF SYSTEM GROUND SYSTEM GROUND SENSOR GROUND 5 VOLTS REF TCM GROUND TCM GROUND SENSOR RETURN TFT SENSOR IN TRANS FLUID TEMP SENSOR TRANS FLUID TEMP SIG BARO SENSOR INPUT TRANS- MISSION TEMP SENSOR TRANSMISSION FLUID TEMPERATURE SENSOR TRANSMISSION INPUT SPEED SENSOR TRANSMISSION TEMPERATURE SENSOR VEHICLE SPEED SENSOR BUFFER VEHICLE SPEED SENSOR BUFFER FUEL HEATER VEHICLE SPEED SENSOR BUFFER KNOCK SENSOR SYSTEM MODULE HEATED OXYGEN SENSOR VEHICLE SPEED SENSOR BUFFER VEHICLE SPD OUTPUT VEHICLE SPEED SENSOR BUFFER, FUEL INJECTION PUMP FUEL SHUT OFF SOLENOID PNK WIRE VEHICLE SPEED SENSOR CALIBRATOR VEHICLE SPEED SENSOR CALIBRATOR VEHICLE SPD OUTPUT VEHICLE SPEED SENSOR CALIBRATOR, ENGINE SHUTOFF SOLENOID VEHICLE SPEED SENSOR SHIELD A/T OUTPUT SPEED SENSOR SHIELD VEHICLE SPEED SIG SPEED SENSOR SPEED SENSOR WATER IN FUEL INDICATOR SENSOR WATER- IN-FUEL SENSOR AUXILIARY ENGINE COOLANT FAN RELAY WATER- IN-FUEL SENSOR GLOW PLUG WHEEL SPEED SENSOR BREAKOUT)

4 WHEEL DRIVE LOW SWITCH 1226 1225 TR SWITCH C TR SWITCH B TR SWITCH A A/C COMPRESSOR HIGH PRESSURE CUT OFF SWITCH A/C COMPRESSOR HIGH PRESSURE CUTOFF SWITCH A/C COMPRESSOR PRESSURE CYCLING SWITCH A/C COMPRESSOR REFRIGERANT PRESSURE SWITCH A/C LOW PRESSURE SWITCH SIGNAL A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AUTO APPLY PARK BRAKE SWITCH AUXILIARY COOLING FAN COOLANT PRESSURE SWITCH AUXILIARY ENGINE COOLANT FAN A/C PRESSURE SWITCH AUXILLIARY COOLING FAN COOLANT PRESSURE SWITCH BACK UP LAMPS SWITCH BACKUP LAMP SWITCH BLOWER SWITCH BLOWER SWITCH RIGHT POWER WINDOW SWITCH BRAKE PRESSURE DIFFERENTIAL SWITCH BRAKE PRESSURE WARNING SWITCH BRAKE SWITCH IN BRAKE SWITCH INPUT BREAKOUT FOR HEADLAMP SWITCH) CLUTCH PEDAL POSITION SWITCH COLD ADVANCE SOLENOID AND ENGINE COOLANT TEMPERATURE SWITCH FUEL HEATER CRUISE CONTROL BRAKE SWITCH CRUISE CONTROL SWITCH DAYTIME RUNNING LAMPS MODULE HEADLAMP DIMMER SWITCH DOME LAMP SWITCH ENGINE COOLANT LEVEL SWITCH FROM IGNITION SWITCH FROM PANEL DIMMER SWITCH FROM PARK BRAKE WARNING SWITCH FUEL PUMP OIL PRESSURE SWITCH FUEL PUMP OIL PRESSURE SWITCH TURN SIGNAL FLASHER BACKUP LAMP SWITCH GLOW PLUG CONTROL SWITCH GLOWPLUG CONTROL SWITCH BREAKOUT) HEAD- LAMP DIMMER SWITCH HEAD- LIGHT SWITCH DOME SWITCH HEADLAMP DIMMER SWITCH HEADLAMPS SWITCH HEADLAMPS SWITCH OFF HEADLAMPS SWITCH STOPLAMP SWITCH HEADLIGHT SWITCH HEADLIGHT SWITCH ASSEMBLY HEATER BLOWER SWITCH HORN SWITCH HOT W/ PARK OR HEADLAMPS SWITCH ON HOT WITH HEADLIGHT SWITCH IN PARK OR HEAD I/P CLUSTER BRAKE PRESSURE WARNING SWITCH I/P DIMMER SWITCH I/P DIMMER SWITCH SEAT BELT ALARM MODULE I/P LAMPS DIMMER SWITCH IGNITION SWITCH INSTRUMENT CLUSTER ENGINE COOLANT LEVEL SWITCH INSTRUMENT PANEL DIMMER SWITCH KEY-IN WARNING BUZZER SWITCH LEFT DOOR JAMB SWITCH LEFT DOOR LOCK SWITCH UNLOCK LEFT FRONT SWITCH UP DN LEFT POWER WINDOW MASTER SWITCH LEFT POWER WINDOW MASTER SWITCH RIGHT FRONT SWITCH LEFT POWER WINDOW SWITCH LIGHT SWITCH LO HEADLAMPS DIMMER SWITCH PANEL DIMMER SWITCH ASSEMBLY DOME SWITCH PANEL DIMMER SWITCH WASHER PUMP I/P CLUSTER PANEL LAMPS SWITCH PARK BRAKE ACTUATOR POSITION SWITCH PARK BRAKE LOW PRESSURE SWITCH PARK BRAKE SWITCH PARK BRAKE WARNING SWITCH PARK SWITCH PARK/ NEUTRAL POSITION AND BACKUP LAMPS SWITCH PARK/NEUTRAL POSITION AND BACKUP LAMPS SWITCH PPL TCC/ABS BRAKE SW STOPLAMP SWITCH CRIUSE SET/COAST SIG 20 84 PRESSURE SWITCH PRESSURE SWITCH IN PROVISIONS FOR CLEARANCE LAMPS LEFT POWER WINDOW SWITCH PULSE WIPER/ WASHER SWITCH RADIO WINDSHIELD WIPER/ WASHER SWITCH WINDSHIELD WIPER MOTOR MODULE RIGHT DOOR LOCK SWITCH RIGHT DOOR LOCK SWITCH LOCK UNLOCK RIGHT FRONT SWITCH RIGHT FRONT WINDOW SWITCH SAFETY BELT RETRACTOR SWITCH AUDIO ALARM MODULE SPEED CONTROL SWITCH STOP LAMPS, TORQUE CONVERTER BRAKE SWITCH STOPLAMP SWITCH STOPLAMP SWITCH HAZARD FLASHER AUDIO ALARM MODULE STOPLAMP SWITCH IN SWITCH PRESSURE TCC/ BRAKE SWITCH TCC/ STOP LAMPS SWITCH TCC/ STOPLAMP SWITCH TCC/ABS BRAKE SW STOPLAMP SWITCH TORQUE CONVERTER CLUTCH AND STOP LAMPS SWITCH TORQUE CONVERTER CLUTCH BRAKE, STOPLAMP SWITCH TORQUE CONVERTER CLUTCH, STOP LAMPS SWITCH TORQUE CONVERTER CLUTCH, STOPLAMP SWITCH TORQUE CONVERTER CLUTCH, STOPLAMPS SWITCH TRANS RANGE PRESSURE SWITCH ASSEMBLY TURN SIGNAL SWITCH WASH PULSE SWITCH WASH SWITCH WINDSHIELD WASHER PUMP LIGHT SWITCH WINDSHIELD WIPER AND WASHER SWITCH WINDSHIELD WIPER MOTOR WIPER SWITCH MODULE WINDSHIELD WIPER/ WASHER SWITCH WIPER SWITCH WIPER/ WASHER SWITCH

1-2 SHIFT SOLENOID 2-3 SHIFT SOLENOID 2-3 SHIFT SOLENOID VALVE 3-2 SHIFT SOLENOID BATTERY WASTEGATE SOL CTRL ESO SOLENOID CTLR BRAKE TRANSMISSION SHIFT INTERLOCK SOLENOID EGR VALVE CTRL EGR VALVE FEED EVAPORATIVE CANISTER PURGE SOLENOID EVAPORATIVE CANISTER PURGE VALVE EVAPORATIVE EMISSIONS CANISTER PURGE SOLENOID EVAPORATIVE EMISSIONS CANISTER PURGE SOLENOID (7.4L VIN J EVAPORATIVE EMISSIONS CANISTER PURGE VALVE EVAPORATIVE EMISSIONS CANISTER PURGE VALVE SOLENOID EXHAUST GAS RECIRCULATION VALVE FUEL INJECTION PUMP FUEL SHUT-OFF SOLENOID FUEL INJECTION PUMP SHUT-OFF SOLENOID FUEL SOLENOID DRIVER FUEL SOLENOID DRIVER (TOP FRONT LINEAR EGR SOLENOID VALVE LINEAR EGR VALVE PRESS CTRL HI SOLENOID PRESS CTRL SOLENOID PRESSURE CONTROL SOLENOID PRESSURE CONTROL SOLENOID VALVE RANGE MODE SELECTOR PRESSURE CONTROL SOLENOID SOLENOID 1-2 SOLENOID 2-3 SOLENOID CONTACTS SOLENOID VALVE SOLENOID VALVE 1-2 SHIFT SOLENOID VALVE 2-3 SHIFT SOLENOID VALVE TCC PWM STARTER SOLENOID STARTER SOLENOID SOLENOID CONTACTS TCC PWM SOLENOID TCC PWM SOLENOID VALVE TCC SOLENOID TURBO CHARGER POWER VALVE SOLENOID WASTEGATE SOLENOID WASTEGATE SOLENOID GLOWPLUG CONTROLLER

1 2 3 4 5 6 7 8 PNK PNK WIRE 3 4 5 6 7 8 9 10 11 12 13 14 15 16 PNK PNK WIRE 3 4 5 PNK PNK WIRE 3 121 PNK WIRE 4 13 PNK WIRE 5 6 7 8 9 10 11 12 PNK PNK WIRE 5 6 7 8 9 PNK PNK WIRE 6.5L VIN F PNK ONLY WIRE 8 9 PNK WIRE 12 13 PNK WIRE 18 19 PNK WIRE 94 PNK WIRE 1222 1224 1225 1226 1350 PNK WIRE BATTERY FEED RANGE SIGNAL B RANGE SIGNAL A 1225 1224 PNK WIRE BLK (OR WIRE BLK BLK WIRE BLK LT BLU/ WIRE BLK LT GRN/ WIRE BLK RED/ WIRE BLK WIRE BLK/ WHT WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/ WHT WIRE BLU/BLK WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE CAM POSIT SENS SIG POWER PNK WIRE DK BLU WIRE DK BLU/ WHT WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/ WHT WIRE DK GRN/BLK WIRE DK GRN/WHT WIRE DK GRN/YEL WIRE DK PNK/ PNK WIRE FUSIBLE LINK 12 GA. BLUE FUSIBLE LINK 18 GA. BLUE GRD IGNITION GLOW PLUG SIG RLY CTRL PNK WIRE GRN WIRE GRN/BLK WIRE GRY WIRE GRY/BLK WIRE GRY/RED WIRE HARN BREAKOUT) PNK WIRE HIGH VOLTAGE COIL WIRE HIGH VOLTAGE IGNITION COIL WIRE LT BLU WIRE LT BLU/ BLK WIRE LT BLU/ WHT WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT BLU/WTH WIRE LT GRN WHT/ WIRE LT GRN WIRE LT GRN/ BLK WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE LT GRN/WTH WIRE LT GRN/YEL WIRE LT PNK PNK WIRE LT PNK WIRE NCA WIRE OR DK PNK WIRE ORG/ WIRE ORG/BLK WIRE PCS LO IGNITION PNK WIRE PNK 3 4 5 6 7 8 WIRE PNK 4 13 WIRE PNK 5 6 WIRE PNK 6 7 8 9 10 11 12 13 14 15 WIRE PNK 8 9 10 WIRE PNK 9 10 11 12 13 14 15 16 WIRE PNK 10 11 12 13 14 15 16 17 WIRE PNK 12 13 15 WIRE PNK 16 17 18 19 20 21 WIRE PNK 22 23 WIRE PNK 25 26 WIRE PNK 26 27 WIRE PNK 94 WIRE PNK DIMMER SWITCH WIRE PNK FEDERAL WIRE PNK IGN FEED IND LAMP OUT GROUND WIRE PNK IGN FEED SENS RTN SENS SIG WIRE PNK IGN FEED WIRE PNK IGNITION CAN PURGE SOL OUT WIRE PNK IGNITION FEED WIRE PNK IGNITION RLY CTRL GRD BATTERY GLOW PLUG OUT WIRE PNK IGNITION WIRE PNK INSTRUMENT CLUSTER WIRE PNK PNK 1 2 3 4 5 WIRE PNK PNK 1 2 WIRE PNK PNK 2 3 WIRE PNK PNK 26 27 WIRE PNK PNK 30 31 WIRE PNK PNK 439 439 IGNITION IGNITION BATTERY MIL IND CTRL WIRE PNK PNK PNK 1 2 3 WIRE PNK PNK PNK 2 3 4 5 WIRE PNK PNK PNK 2 3 4 WIRE PNK PNK PNK 3 4 5 WIRE PNK PNK PNK PNK 1 2 3 4 WIRE PNK PNK PNK WIRE PNK PNK PPL 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 WIRE PNK PNK PPL 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 WIRE PNK PNK WIRE PNK PPL 1 2 WIRE PNK PPL PPL WIRE PNK PPL WIRE PNK RANGE SIGNAL A INPUT SPEED SIGNAL HIGH INPUT SPEED SIGNAL LOW WIRE PNK RANGE SIGNAL A RANGE SIGNAL B RANGE SIGNAL C WIRE PNK WIRE PNK/ WHT WIRE PNK/BLK WIRE PNK/WHT WIRE PPL PNK 9 10 11 12 13 14 15 WIRE PPL PNK WIRE PPL PPL PNK 3 4 5 6 7 8 WIRE PPL/ WHT WIRE PPL/WHT WIRE RED WIRE RED/ BLK WIRE RED/BLK WIRE RUN WIRE TAN WIRE TAN/ WHT WIRE TAN/BLK WIRE TAN/WHT WIRE TWISTED WIRE PAIR WHT (OR WIRE WHT DK GRN/ WIRE WHT LT BLU/ WIRE WHT LT GRN/ WIRE WHT PNK/ WIRE WHT PPL/ WIRE WHT TAN/ WIRE WHT WIRE WHT/ BLK WIRE WHT/ BLU WIRE WHT/ DK BLU WIRE WHT/BLK WIRE WIPER MOTOR BREAKOUT) PNK WIRE YEL WIRE YEL/BLK WIRE

0.5 WATT) 1 2 PPL 1-2 SHIFT 1-2 SHIFT SOL 1-2 SHIFT SOL 2-3 SHIFT SOL TCC SOL 1-2 SHIFT SOLENIOD 2 3 PPL 2-3 SHIFT 2-3 SHIFT SOL 2-3 SHIFT SOL CTRL 2-3 SHIFT SOL CTRL 1-2 SHIFT SOL CTRL DIAGNOSTIC TEST 2-3 SHIFT SOL CTRL FUEL INJ CTRL 2-3 SHIFT SOLENIOD 3 2 PPL 3-2 SHIFT SOL 4 7 8 9 11 12 13 15 VSS OUT VSS RETURN GROUND 4.3L 4.3L 5.7L 4.3L AND 7.4L 5 VOLT REF 5-VOLT 5.7L 5.7L AND 7.4L 5.7L ONLY 4.3L ONLY 5.7L VIN R 6.5L 6.5L VIN F 6.5L VIN F 7.4L VIN J 6.5L VIN Y 7.4L 7.4L 6.5L 7.4L ONLY 7.4L VIN J 6.5L VIN F 7.4L VIN J ENGINES 7.4L VIN J, 6.5L VIN F ENGINES 7.4L VIN N 7.20 +/- 1.20 OHMS 14 15 16 PPL PPL 15 16 17 PPL PPL 27 28 29 30 31 PPL 85 30 PPL 92 PPL (OR 389 419 VSS OUTPUT MIL CTRL 396 817 CRUISE STATUS VEHICLE SPEED INPUT 420 1807 PPL PPL BRAKE SIG SERIAL DATA 440 1225 1224 IGN FEED RANGE SIG "B" RANGE SIG "A" 470 OR 452 496 1456 KNOCK SENS INPUT EGR INPUT 999 998 961 452 PPL 1223 1222 2-3 SHIFT SOL CTRL 1-2 SHIFT SOL CTRL DIAGNOSTIC TEST 1223 1222 SHIFT SOL B OUT SHIFT SOL A OUT HIGH IDLE SW OUT 3-2 CTRL OUT 1225 1226 419 RANGE MODE SEL B RANGE MODE SEL C SERV ENG SOON IND CTRL 1227 433 TFT SIG BARO PRESS SENS SIG 1994 VFTC 1995 VFTC 1996 VFTC 1996-97 1998/ 1999 4000 PULSES/MILE 4000 PULSES/MILE CRUISE STATUS "SERV THROTTLE SOON" IND "WAIT TO START" GLOW PLUGS (7.4L: ENG HARN, (20 GA- (CHASSIS HARN, NEAR BREAKOUT (DASH HARNESS, (EBCM HARN, (ENG HARN (ENG HARN, 13 CM FROM (ENG HARN, APPROX (ENG HARN, APPROX 4 CM FROM GROUND (FORWARD LAMPS HARN, (FORWARD LAMPS HARNESS, (I/P HARN, (I/P HARN, APPROX (I/P SIDE OF ENG (I/P SIDE OF ENG HARN, (I/P SIDE OF ENG HARN, APPROX (OR (REAR LAMPS HARN, * SCHOOL BUS GROUND RECTIFIER BRIDGE * W/ SCHOOL BUS EQUIPMENT) ** WITH SCHOOLBUS EQUIPMENT A/C COMP CYL SW A/C COMPRESSOR A/C COMPRESSOR CLUTCH A/C COMPRESSOR CLUTCH AUXILLIARY COOLING FAN A/C COMPRESSOR ENABLE RLY CTRL A/C ENABLE A/C ENABLE GROUND GROUND 451 451 A/C ENABLE GROUND GROUND 451 551 A/C GROUND A/C INPUT BRAKE SIGNAL TCC CONTROL PPL A/C REQUEST A/C REQUEST SIG A/C REQUEST SIGNAL A/C SIG A/C SIGNAL A/C SW IN A/C SYSTEM A/T ISS HI IN A/T ISS HIGH A/T ISS LO IN A/T ISS LOW A/T ISS SENS HI IN A/T ISS SENS LO IN A/T M/T ABS IND. ACC BUS ACCY ACCY AIR CONDI- TIONING SYSTEM AIR CONDITION- ING SYSTEM AIR CONDITIONING SYSTEM ALL EXCEPT 7.4L VIN N ALT, ECM-CRANK, TURN-B/U, TRANS AND INJ FUSES ANTILOCK BRAKES SYSTEM APP 1 SIGNAL IN APP 2 SIGNAL IN APP 3 SENS SIG FUEL TEMP SIG IAT SIG APP 3 SIGNAL IN AUDIO ALARM AUDIO ALARM MODULE AUDIO ALARM MODULE CONVENIENCE CENTER AUTO APPLY PARK BRAKE AUTO PARK IND. AUTOMATIC TRANSMISSION AUX CB AUX CIRCUIT BREAKER AUX CIRCUIT BREAKER 13 AUX ELECT COOLING FAN BRAKE SIGNAL SERIAL DATA PPL PPL AUX ELECT COOLING FAN BRAKE SIGNAL SERIAL DATA PPL PPL 420 1807 AUX FAN CTRL AUX FAN SW SIGNAL AUXILIARY COOLING FAN AUXILIARY COOLING FAN A/C COMPRESSOR CLUTCH B+ BREAKOUT) B/H CONN BACK-UP LAMPS CIRCUIT BACKUP LAMPS CIRCUIT BAT VOLT SENSE INPUT BATT BUS BODY BUILDER'S JUNCTION BLOCK BRAIDED STRAP BRAKE APPLIED INPUT BRAKE IND BRAKE IND DRL IND BRAKE SIGNAL TCC PWM CONTROL BRAKE WARNING ALARM BUZZER BREAKOUT FOR HEADLAMP SW) BREAKOUT) BRK SW INPUT BULKHEAD GROMMET TOWARD IGNITION SW) BULKHEAD GROMMET) BUS BAR BUS BAR GROUND BUSS BAR BYPASS 5 VOLTS SENS GROUND SENS GROUND TRANS TEMP INPUT CALIFORNIA CALIFORNIA CAM POSIT SENS RTN FUEL LEV PPL CAM POSIT SENS RTN FUEL LEV SIGNAL PPL CAM POSIT SENS SIG CANADA ONLY CANADIAN MODELS CANADIAN MODELS ONLY CAVITY A) CHARGING CIRCUIT CHECK GAUGES IND CIGARETTE LIGHTER CLASS II DATA CLOSED IN PARK CLOSED IN PARK, NEUTRAL CLOSURE GRD CLOSURE SIGNAL CLUTCH SIG CMP LOW FUEL GAUGE PPL CONTROL AREA CONVENIENCE CENTER COOLANT TEMP GAUGE COOLANT TEMPERATURE GAUGE COOLING FAN NOTOR HARN BREAKOUT) COOLING FANS SYSTEM CRANK SIGNAL ECT SIGNAL MAP SIGNAL CRUISE CONTROL ACTIVATOR CRUISE CONTROL SYSTEM CRUISE CONTROL SYSTEMS CRUISE CTRL ENGAGED CRUISE ENGAGED IN VSS INPUT CRUISE ENGAGED SIG CRUISE ON INPUT CRUISE ON INPUT SET/COAST INPUT RESUME/ACCEL INPUT CRUISE ON/OFF SIG CRUISE SIGNAL CTRL EST CYLINDER 1 CYLINDER 2 CYLINDER 1 CYLINDER 4 CYLINDER 5 CYLINDER 3 CYLINDER 5 CYLINDER 3 CYLINDER 4 CYLINDER 6 CYLINDER 7 CYLINDER 2 CYLINDER 8 CYLINDER NO.2 CYLINDER NO.1 CYLINDER NO.5 CYLINDER NO.3 CYLINDER NO.4 CYLINDER NO.6 DASH LAMPS INPUT DATA CLASS II DATA CLSS 2 DATA LINK CONN- ECTOR DAYTIME RUNNING LAMPS DAYTIME RUNNING LAMPS IND DAYTIME RUNNING LAMPS MODULE DEF BLEND DELAY RHEO- STAT DELAY/ SPEED/ WASH CONTROL DIAG ENABLE-POWERTRAIN TP SENS IN DIAG SIG DIAGNOSIS TEST TP SIGNAL INJECTOR 1 CTRL DIAGNOSTIC TEST DIESEL GAS DIESEL GASOLINE DIESEL ONLY DIFFERENTIAL BREAKOUT) DIM HIGH DIST. REF HI DIST. REF LO DOOR AJAR IND DRL IND ECT SENS INPUT ECT SIGNAL EGR CONTROL EGR CONTROL GOVERNOR CONTROL EGR CTRL EGR SOL OUT EGR VLV CTRL ELEC SPK TIMING CTRL SIGNAL ELECTRONIC 4-SPD AUTOMATIC OVERDRIVE TRANSMISSION ELECTRONIC 4-SPEED AUTOMATIC OVERDRIVE TRANSMISSION ENG SHUT-OFF CTRL ESO CTRL EST CTRL FASTEN BELTS OUT FEED IGN FEED IGNITION FOR LEFT HEADLAMP) FROM FUSIBLE LINK FROM FUSIBLE LINK A FROM LEFT BULKHEAD GROMMET) FROM LEFT BULKHEAD GROMMET) PPL FROM TPS BREAKOUT) FROM VCM BREAKOUT) FUEL CYCLE MODULE FUEL GAUGE FUEL INJ 1 FUEL INJ 2 FUEL INJ 3 FUEL INJ 5 FUEL INJ 4 FUEL INJ 5 FUEL INJ 3 FUEL INJ 6 FUEL INJ 7 FUEL INJ 8 FUEL INJ CTRL FUEL INJECT CTRL FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 FUEL INJECTOR 4 FUEL INJECTOR 5 FUEL INJECTOR 5 FUEL INJECTOR 6 FUEL INJECTOR 7 FUEL INJECTOR 8 FUEL INJECTOR NO.1 FUEL INJECTOR NO.2 FUEL INJECTOR NO.2 FUEL INJECTOR NO.1 FUEL INJECTOR NO.3 FUEL INJECTOR NO.4 FUEL INJECTOR NO.5 FUEL INJECTOR NO.6 FUEL INJECTOR NO.7 FUEL INJECTOR NO.8 FUEL PMP RLY CTRL 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 FUEL SOL CTRL FUEL SOL HIGH FUEL SOL LOW FUEL SOLE- NOID FULL DIM FUSIBLE LINK FUSIBLE LINK 18 GA. RUST FUSIBLE LINK (10 GA- FUSIBLE LINK (12 GA- FUSIBLE LINK (14 GA- FUSIBLE LINK (16 GA- FUSIBLE LINK (18 GA- FUSIBLE LINK (18 GA. FUSIBLE LINK (12 GA. FUSIBLE LINK (20 GA- FUSIBLE LINK A FUSIBLE LINK C FUSIBLE LINK D FUSIBLE LINK E FUSIBLE LINK FUSIBLE LINK FUSIBLE LINK FUSIBLE LINK FUSIBLE LINK FUSIBLE LINKS GAS DIESEL GAS MODELS ONLY GASOLINE DIESEL GLOW PLUG 1 GLOW PLUG 2 GLOW PLUG 3 GLOW PLUG 5 GLOW PLUG 7 GLOW PLUG 6 GLOW PLUG 4 GLOW PLUG 8 GLOW PLUG CONTROLLER GLOW PLUG CTRL GLOW PLUG OUT GLOW PLUG SIG GLOW PLUG STUD GLOW PLUGS GLOWPLUG CONTROLLER HAND BRAKE HAZARD FLASHER HAZARD LAMPS FLASHER HAZARD WARNING LAMPS FLASHER HEAD OFF HEAD OFF PARK HEAD PARK HEADLAMP BREAKOUT) HEADLIGHTS SYSTEM HEAT VENT B/L HEATED OXYGEN HI LO HI RESOLUTION SIG HI-BEAM IND HIGH DIM HIGH LOW HIGH OFF LOW OFF WASH PULSE HIGH OFF OFF LOW HIGH RES SIG HOLD-IN WINDING HOLD-IN WINDING PULL-IN WINDING HOT AT ALL TIMES HOT AT ALL TIMES FUSIBLE LINK HOT IN HOT IN ACC OR RUN HOT IN ACCY AND RUN HOT IN ACCY OR RUN HOT IN CRANK HOT IN RUN HOT IN RUN AND START HOT IN RUN OR START HOT IN RUN PWR WDO CIRCUIT BREAKER HOT IN RUN, START HOT IN START HOT IN START OR RUN HTR BUS I/P CLUSTER IAC B LOW IAC B HIGH IAC A HIGH IAC A LOW IC BYPASS TP/ECT GROUND MAP GROUND IC REFERENCE HIGH IC SIGNAL VSS SIGNAL VSS TP REFERENCE IGN BUS IGN BUSS IGN FEED IGN ON INPUT IGNITION FEED IGNITION IN IGNITION MODULE ILLUM. LAMPS INJECTOR 1 INJECTOR 2 INJECTOR 2 CONTROL INJECTOR 1 CONTROL INJECTOR 1 CONTROL INJECTOR 3 INJECTOR 4 INJECTOR 5 INJECTOR 6) INJECTOR NO.1 INJECTOR NO.1 INJECTOR NO.2 INJECTOR NO.2 INJECTOR NO.3 INJECTOR NO.4 INJECTOR NO.5 INJECTOR NO.6 INJECTOR NO.7 INJECTOR NO.8 INLINE TO STEERING COLUMN HARNESS INSTRUMENT CLUSTER INSTRUMENT CLUSTER BREAKOUT) INSTRUMENT CLUSTER PRINTED CIRCUIT INSTRUMENT CLUSTER RIGHT TURN IND. INSTRUMENT CLUSTER RIGHT TURN INDIC INSTRUMENT CLUSTER SYSTEM INSTRUMENT CLUSTERS SYSTEM INTERIOR LAMPS SYSTEM JUNCTION BLOCK BREAKOUT) KNOCK SENS SIG KNOCK SIGNAL A/C SIGNAL KNOCK SIGNAL EGR PINTLE POSITION SIGNAL KS SIGNAL LEFT BANK GLOW PLUGS LEFT BULK- HEAD GROMMET UNDER I/P) LEFT GLOWPLUG BREAKOUTS) LEFT HEADLAMP ASSEMBLY LEFT HEADLAMP ASSEMBLY HI LEFT HEADLAMP ASSEMBLY LO HI LEFT HEADLAMP BREAKOUT) LEFT HEADLAMP HI LEFT HEADLAMP RIGHT HEADLAMP LEFT HIGH BEAM HEADLAMP LEFT HIGH BEAM HEADLAMP ASSEMBLY LEFT HIGH/ LOW HEADLAMP LEFT HIGH/LOW BEAM HEADLAMP LEFT LICENSE LAMPS RIGHT LICENSE LAMPS LEFT LOW BEAM HEADLAMP LEFT LOW BEAM HEADLAMP ASSEMBLY LEFT OUTER HEADLAMP LEFT POST CONVERTER (5.7L VIN R LEFT PRE- CONVERTER LEFT TURN IND LEFT TURN INDIC LICENSE LAMPS, LEFT REAR LICENSE LAMPS, RIGHT REAR LINK A LINK B LINK B FUSIBLE LINK C LINK D LINK F LO HI LO HI HI LO LO LO HI LO MED LOW COOLANT IND LOW HIGH LOW PRESSURE CUTOUT SIGNAL LT INSTRUMENT CLUSTER LT LT LT PPL M/T A/T MAL- FUNCTION IND MANUAL TRANSMISSION MAP REF LO MAP SIGNAL IAT SIGNAL ECT SIGNAL MIL CONTROL MIST OFF MULTIFUNCTION LEVER NEAR BREAKOUT FOR CHASSIS HARNESS) NOT USED NOT USED NOT USED OFF HEAD OFF HEAD HEAD PARK OFF HEAD PARK OFF HI OFF MAX NORM OIL PRESS GAUGE OIL PRESS INPUT MAP SENS INPUT OIL PRESSURE GAUGE ON OFF ON/OFF INPUT OSS HI IN OSS INPUTS OSS LO IN OSS OUT P/B BOOSTER FLUID FLOW, PRESSURE ALARM PANEL ILLUMINATION PANEL LAMPS PANEL) PARK BRAKE ALARM PARK BRAKE IN FOG LAMPS PARK BRAKE IND PARK HEAD PARK HEAD OFF PARK TURN PASSTHROUGH 6.5L: ENG HARN, PCM GROUND PCS HI PCS HIGH INPUT SPEED SENS LOW INPUT SPEED SENS HIGH IC CNTRL PCS LO IGNITION PCS LOW GROUND GROUND SENS GROUND PCS LOW VCM GROUND VCM GROUND SENS GROUND PCS SOL HI OUT PCS SOL LO OUT POST CONVERTER (4.3L VIN W POWER DISTRIBUTION POWER DISTRIBUTION SYSTEM PPL 1 2 PPL 2 3 4 PPL 3 4 PPL 8 9 PPL 8 9 10 11 12 13 14 15 16 17 PPL 15 16 PPL 16 17 18 19 PPL 20 21 PPL 23 24 PPL 24 25 PPL 92 PPL 420 474 BRAKE SW INPUT PPL A/T M/T PPL APP 2 GROUND APP 1 GROUND APP 1 SIG PPL BRAKE PEDAL SW IN TCC PWM SOL CTRL PPL BRAKE SIGNAL TCC PWM CONTROL PPL CKP LOW VSS LOW VSS SIGNAL PPL CKP SEN GRD A/C REQUEST SIG PPL CKP SENS RTN VSS RTN VSS SIG PPL DATA CLSS 2 PPL DIESEL PPL DISENGAGE INPUT PPL DISENGAGE INPUT GROUND IGNITION BRAKE APPLIED INPUT PPL FUEL LEV PPL FUEL LEVEL PPL FUEL LEVEL MODULE A/C REC PPL GAS PPL PPL GLOW PLUG OUT GLOW PLUG OUT GLOW PLUG OUT GLOW PLUG OUT PPL M/T PPL PPL PPL PPL 28 29 30 31 32 PPL PPL 420 1807 BRAKE SIG SERIAL DATA PPL PPL 1807 680 PPL S STUD PPL SERIAL DATA PPL STOPLMP SW IN PPL STUD PPL TCC/STOP SW SIG STOPLAMP SW SIGNAL CRUISE ON/OFF INPUT SET/COAST INPUT PPL TCC/STOPLAMP INPUT PRESS CTRL SOL. HI PRESSURE CONTROL SOL PRESSURE DIFF SW BREAKOUT) PROVISION FOR BACKUP LAMPS PROVISION FOR BODY BUILDER BLUNT CUT PROVISION FOR MARKER LAMPS PROVISION FOR ROOF MARKER LAMPS PROVISIONS FOR BODY BUILDER ADDED LAMPS PROVISIONS FOR BODY BUILDER HVAC PROVISIONS FOR CLEARANCE LAMPS PROVISIONS FOR FOG LAMPS PROVISIONS FOR MARKER LAMPS PROVISIONS FOR PARK LAMPS PROVISIONS FOR REAR MARKER LAMPS PROVISIONS FOR TACHOMETER PROVISIONS FOR WIPER/WASHER MODULE PROVISIONS PROVISIONS FOR RIGHT SIDE MARKER FOR LEFT SIDE MARKER PULL-IN WINDING PURGE VENT PURGE VENT CTRL PWR ACC CIRCUIT BREAKER PWR BUS PWR CIRCUIT BREAKER PWR CIRCUIT BREAKER 2 R/A INPUT RANGE MODE SELECTOR RANGE SIG "C" RANGE SIGNAL "A" RANGE SIGNAL "B" RANGE SIGNAL "C" RANGE SIGNAL A INPUT SPEED SIGNAL HIGH INPUT SPEED SIGNAL LOW RANGE SIGNAL A RANGE SIGNAL B RANGE SIGNAL C RANGE SIGNAL B RANGE SIGNAL C MIL CONTROL RECTIFIER BRIDGE REF 5 VOLT REF LO REF LO TEMP RESUME/ACCEL INPUT RESUME/ACCEL SIG RETURN CONTROL TIMING RIGHT BANK GLOW PLUGS RIGHT HEADLAMP RIGHT HEADLAMP ASSEMBLY RIGHT HEADLAMP ASSEMBLY HI RIGHT HEADLAMP ASSEMBLY LO HI RIGHT HEADLAMP HI LO RIGHT HIGH BEAM HEADLAMP RIGHT HIGH BEAM HEADLAMP ASSEMBLY RIGHT HIGH/ LOW HEADLAMP RIGHT HIGH/LOW BEAM HEADLAMP RIGHT INNER HEADLAMP RIGHT LOW BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP ASSEMBLY RIGHT OUTER HEADLAMP RIGHT POST CONVERTER (5.7L VIN R RIGHT PRE- CONVERTER RIGHT TAIL/STOP, TURN SIGNAL LAMPS RIGHT TURN IND RIGHT TURN IND. SAFETY BELT IND. S/C DK S/C INPUT SAFETY BELT IND SAFETY BELT INPUT SEAT BELT ALARM SEAT BELT ALARM INSTRUMENT CLUSTER SEAT BELT ALARM MODULE SEAT BELT IND SEAT BELT TELL TALE SEAT BELTS ALARM MODULE SEAT BELTS/ LAMPS ALARM MODULE SEATBELT AND LAMPS ALARM MODULE SEATBELTS/ LAMPS ALARM MODULE SELECTOR CONTROL SERIAL DATA SERVICE THROTTLE SOON IND SERVICE TRANS SERVICE TRANS IND SERIAL DATA SERVICE TRANS OUT SERIAL DATA SERVICE TRANS OUTPUT SERIAL DATA SET- SET/COAST INPUT SET/COAST SIG SHIFT INTERLOCK SYSTEM SHIFT INTERLOCK SYSTEM PPL SIGNAL CONTROL TIMING SIGNAL TIMING CTRL ELEC SPK SLIP RING SOLID STATE SPARK PLUGS SPEED METER SPEED- OMETER SPEEDO- METER STARTING/ CHARGING SYSTEM STEERING COLUMN) STEERING WHEEL) SYSTEM GROUND T/P SIGNAL TACHO- METER TACHOMETER TEST LEAD TAIL STOP TAIL/STOP, TURN SIGNAL LAMPS TCC BRAKE SW TCC PWM SOL TCC PWM SOL 1-2 SHIFT SOL TCC PWM SOL 1-2 SHIFT SOL 2-3 SHIFT SOL TCC PWM SOL 2-3 SHIFT SOL TCC SOL 1-2 SHIFT SOL TCC SOL 2-3 SHIFT SOL TCC SOL 2-3 SHIFT SOL 1-2 SHIFT SOL TFT SIG BARO PRESS SENS SIG TFT SIGNAL MAF SIGNAL IAC HIGH IAC LOW INJECTOR 4 CTRL INJECTOR 3 CTRL THIS CAN PLUG INTO TIMING CONTROL RETURN TIMING CONTROL SIGNAL) TO BODY BUILDER HARNESS TO ECM I, GAGES, TRANS FUSES AND TO GLOW PLUG CONTROLLER TO GLOWPLUG CONTROLLER) TO INSTRUMENT PANEL) TORQUE CONVERTER CLUTCH TP SENS INPUT TRANS FLUID TEMP SIG MAP SENS TRANS IND. TRANS INPUT SPD LO CKP SIG OPTICAL SENS GND OPTICAL SENS CAM SIG TRANS OUTPUT TRANS RANGE "A" TRANS RANGE "B" TRANS RANGE "C" TRANS TEMP TRANS TEMP SIG IN TRANS- MISSION TEMP TRANS.) TRANSMISSION SPEED INPUT TURN LEFT TURN ON INPUT TURN RIGHT TURN SIGNAL FLASHER VCM/ PCM VEHICLE SPD OUTPUT VEHICLE SPEED INPUT VEHICLE SPEED INPUT INPUT SPEED SENS LO INPUT SPEED SENS HI VEHICLE SPEED INPUT TRANS INPUT SPD LO TRANS INPUT SPD HI VEHICLE SPEED OUT VEHICLE SPEED SIG VIN J VIN F VIN N ONLY VIN N W/ AUTOMATIC TRANSMISSION VOLT- METER VSS HI VSS HI IN VSS INPUT VSS INPUTS VSS LO VSS LO IN VSS LO VSS SIG VSS HI SECOND. VSS VSS OUT VSS OUTPUT VSS OUTPUT CRUISE ENGAGED VSS RETURN VSS RTN VSS RTN GROUND IGN FEED VSS SIG VSS VSS OUT VSS SIG VSS SIGNAL W/ A/C W/ A/C W/O A/C W/ AUTO TRANS W/ AUTO TRANSMISSION W/ AUTOMATIC TRANSMISSION W/ AUTOMATIC TRANSMISSIONS W/ DIESEL ENGINES W/ DRL W/ DRL PPL PPL W/ DUAL HEADLIGHTS W/ GASOLINE ENGINES W/ MANUAL TRANSMISSION ONLY PPL W/ SCHOOLBUS EQUIPMENT W/ VCM W/O VCM W/DELUXE SCHOOL BUS W/DELUXE SCHOOL BUS OPTION W/O A/C W/O DRL W/O DUAL HEADLIGHTS WAIT TO WAIT TO START IND WARNING SYSTEMS WARNINGS SYSTEM WASH PULSE WASTEGATE SOL CTRL WATER IN FUEL WATER IN FUEL IND WATER IN-FUEL INPUT WHL SPD SIG, LEFT FRT CAM POSIT SENS SIG WHL SPD SIG, LEFT FRT CAM POSIT SENS SIG POWER WITH AUTOMATIC TRANSMISSION ONLY WITH MANUAL TRANSMISSION ONLY