Wiring diagrams for Chevrolet Blazer S15 facelift (1998-2005)

Compressor circuit Manual a/c circuit

Anti-lock brakes circuit

Forced entry circuit Pass-key circuit

Body control modules circuit

Computer data lines circuit

Cruise control circuit

Defoggers circuit, with manual a/c

Wiring diagram engine performance 4.3l vin w

Wiring diagram engine performance 4.3l vin x

Back-up lamps circuit Exterior lamps circuit

Ground distribution circuit

Headlights circuit, without zr2 Headlights circuit, with zr2

Horn circuit

Instrument cluster circuit

Courtesy lamps circuit Instrument illumination circuit

Power distribution circuit

Power door locks circuit

Electrochromic mirror circuit Power mirrors circuit

6-way power seat circuit 8-way adjustable power seat circuit Heated seats circuit Lumbar circuit

Power top/sunroof circuit, except xtreme Power top/sunroof circuit, xtreme

Power windows circuit, 2 door Power windows circuit, 4 door

Radio circuit

Shift interlock circuit, with column shift Shift interlock circuit, with floor shift

Charging circuit Starting circuit

Supplemental restraints circuit

4.3l vin w, a/t circuit, 4l60-e 4.3l vin w, transfer case circuit, with 2-speed automatic transfer case 4.3l vin w, transfer case circuit, with 2-speed selectable transfer case

4.3l vin x, a/t circuit, 4l60-e 4.3l vin x, transfer case circuit, with 2-speed automatic transfer case 4.3l vin x, transfer case circuit, with 2-speed selectable transfer case

Liftgate/endgate release circuit

Warning systems circuit

Front wiper/washer circuit Rear wiper/washer circuit

1 2 3 4 BATTERY A/C COMPRESOR CLUTCH A/C COMPRESSOR CLUTCH DIODE A/C COMPRESSOR CLUTCH DIODE ANTI-LOCK BRAKE SYSTEM ANTI-LOCK BRAKES SYSTEM ANTI-LOCK IND AUXILIARY POWER OUTLET AUDIO AMPLIFIER BATTERY CLASS 2 DATA CLASS 2 DATA LOW REF LOW REF BATTERY GROUND CENTER HIGH MOUNT STOP LAMP RESISTOR CRUISE CONTROL, ANTI-LOCK BRAKES SYSTEMS DOME HIGH MOUNT STOP LAMP RESISTOR DRIVER DOOR LOCK FRONT PASSENGER DOOR LOCK GENERATOR BATT GENERATOR CONTROL/ MONITORING GROUND BATTERY GROUND BATTERY POSITIVE VOLTAGE DOOR UNLOCK CTRL DOOR LOCK CTRL GROUND GROUND BATTERY BATTERY HOLD- IN COIL PULL- IN COIL INFLATABLE RESTRAINT STEERING WHEEL MODULE COIL LEFT HORN LOCK LOCK OFF OFF LOCK OFF LOCK SOL OUT REMOTE CONTROL DOOR LOCK RECEIVER RIGHT HORN SERVO AMPLIFIER TRANS SW B TRANS SW C IGN 1 BATTERY LOW REF

(LEFT REAR OF ENGINE COMPARTMENT, AIR TEMPERATURE ACTUATOR AIR TEMPERATURE ACTUATOR HVAC CONTROL ASSEMBLY AUTOMATIC TRANSMISSION SHIFT LOCK ACTUATOR B+ GROUND MOTOR FEED B MOTOR FEED A DRIVER DOOR LOCK ACTUATOR DRIVER SEAT FRONT VERTICAL MOTOR DRIVER SEAT HORIZONTAL MOTOR DRIVER SEAT LUMBAR MOTOR DRIVER SEAT REAR VERTICAL MOTOR DRIVER SEAT REAR VERTICAL MOTOR DRIVER SEAT RECLINER MOTOR DRIVER WINDOW MOTOR ENGINE CONTROLS SYSTEM FRONT PASSENGER DOOR LOCK ACTUATOR FRONT PASSENGER SEAT FRONT VERTICAL MOTOR FRONT PASSENGER SEAT HORIZONTAL MOTOR FRONT PASSENGER SEAT LUMBAR MOTOR FRONT PASSENGER SEAT REAR VERTICAL MOTOR FRONT PASSENGER WINDOW MOTOR HEADLIGHTS SYSTEM INTERIOR LIGHTS SYSTEM ENGINE CONTROLS SYSTEM LEFT/ RIGHT MOTOR LEFT/ RIGHT MOTOR UP/ DOWN MOTOR LIFTGATE RELEASE ACTUATOR MOTOR CLOSE, MOTOR CONTROL A MOTOR LOCK ENCODER MOTOR MOTOR OPEN, PC SOL FUEL PMP RLY ENGINE SPD PUMP MOTOR REAR WINDOW WIPER MOTOR REAR WINDOW WIPER MOTOR CONTROLLER SHIFT MOTOR STARTER MOTOR TRANSFER CASE ENCODER MOTOR UP/ DOWN MOTOR W/4.3L ENGINE WINDSHIELD WIPER MOTOR

COAXIAL CABLE ANTENNA INPUT RADIO ANTENNA

2-SPEED PUSH BUTTON CONTROL DRIVER WINDOW REGULATOR MOTOR LEFT REAR SIDE WINDOW REGULATOR MOTOR RIGHT REAR SIDE WINDOW REGULATOR MOTOR VOLTAGE REGULATOR SOLID STATE

20 CM FROM AIR PUMP CONNECTOR) AIR PUMP, 20 CM FROM AIR PUMP CONNECTOR) FUEL PUMP PRIME CONNECTOR

BODY CONTROL MODULE BODY CONTROL MODULE REMOTE CONTROL DOOR LOCK RECEIVER CRUISE CONTROL MODULE ELECTRONIC BRAKE CONTROL MODULE PNK BODY CONTROL MODULE WIRE TRANSFER CASE SHIFT CONTROL MODULE TRANSFER CASE SHIFT CONTROL MODULE TURN SIGNAL/

1220 126 INST PANEL FUSE LEFT FRONT DR SW HEADLAMP OFF SIG (DASH HARN, NEAR DASH FUSE BLOCK, 4 CM FROM A/C FUSE A/C FUSE RR W/W FUSE ABS FUSE ABS FUSE 22 AIR FUSE AIR INJECTION REACTOR FUSE BLOCK AIR SOL FUSE ATC FUSE AUX PWR FUSE B/U LAMP FUSE B/U LP FUSE BATTERY FUSE BTSI FUSE CIGAR LTR FUSE CLSTR FUSE 11 CRANK FUSE CRUISE FUSE CRUISE FUSE 3 CTSY LAMP FUSE 8 CTSY LP FUSE CTSY LP FUSE 8 ECM 1 FUSE ECM I FUSE ECM-B FUSE ENG 1 FUSE ENG-I FUSE FOG LP FUSE FR PRK FUSE FROM B/U LP FUSE DIAGRAM 2 OF 5) FROM ECM 1 FUSE DIAGRAM 1 OF 5) FROM IGN A FUSE DIAGRAM 1 OF 5) FROM OXYGEN FUSE DIAGRAM 1 OF 5) FRT WPR FUSE FRT WPR FUSE 17 FUSE 15 FUSE 21 GAUGES FUSE 4 HAZ LP FUSE HDLP SW FUSE HORN FUSE HOT AT ALL TIMES PRK LP FUSE HOT AT ALL TIMES RR W/W FUSE HOT IN RUN ABS FUSE 22 HTD MIR FUSE RR DEFOG FUSE HTD MIRROR FUSE RR DEFOG FUSE HTD SEAT FUSE HVAC 1 FUSE HVAC 1 FUSE 21 HVAC FUSE HVAC FUSE 9 I/P FUSE BLOCK I/P FUSE BLOCK (LEFT SIDE OF DASH, I/P FUSE BLOCK CLSTR FUSE I/P FUSE BLOCK HDLP SW FUSE 7 IGN A FUSE IGN B FUSE IGN C FUSE IGN E FUSE ILLUM FUSE 12 INT BAT FUSE LR PRK FUSE RR PRK FUSE LT HDLP FUSE LT HDLP FUSE RT HDLP FUSE LT TRN FUSE TRL TRN LT TURN FUSE MIR/LCK FUSE 7 MIR/LCKS FUSE 7 MIR/LKS FUSE OXYGEN FUSE PARK LP FUSE PARK LP FUSE 5 PARK LPS FUSE 5 PRK LP FUSE PRK LP FUSE 5 PWR LCKS FUSE PWR LKS FUSE 14 RAP FUSE RDO BAT FUSE RDO BATT FUSE 19 RDO IGN FUSE RDO IGN FUSE 24 RR WPR FUSE 23 RR WPR FUSE STR WHL RDO IGN FUSE RT HDLP FUSE SIR FUSE SIR FUSE 16 STOP LP FUSE STR WHL ILL FUSE 6 STR WHL ILLUM FUSE 6 STUD 2 FUSE HAZ LP FUSE PARK LP FUSE TBC FUSE TR CHMSL FUSE TRCHMSL FUSE TRL B/U FUSE TRL PRK FUSE RT TRN FUSE TRR TRN RT TRN FUSE TURN FUSE 10 UNDER- HOOD FUSE BLOCK UNDER- HOOD FUSE BLOCK CRANK FUSE UNDERHOOD FUSE BLOCK UNDERHOOD FUSE BLOCK TRC FUSE VECHMSL FUSE VEH B/U FUSE VEH CHMSL FUSE

DRIVER SEAT HEATER MODULE HEATER ELEMENT SEAT BACK HEATER ELEMENT SEAT CUSHION HEATER, A/C CONTROLLER

AIR BAG INDICATOR ANTI-LOCK INDICATOR AUTOMATIC TRANSMISSION SHIFT LEVEL POSITION INDICATOR LAMP AUTOMATIC TRANSMISSION SHIFT LEVER POSITION INDICATOR BRAKE WARNING INDICATOR CHARGE INDICATOR FRONT AXLE INDICATOR FRONT AXLE INDICATOR SWITCH FRONT AXLE VACUUM SOLENOID INDICATOR LAMP SECURITY INDICATOR

4 LO STATUS LAMP (LEFT TAIL LAMP JPR HARN, 8 CM FROM UTILITY (RIGHT TAIL LAMP JPR HARN, 8 CM FROM ASH TRAY LAMP ASHTRAY LAMP CARGO LAMP CENTER HIGH MOUNT STOP LAMP CENTER HIGH MOUNT STOP LAMP DOME LAMP CENTER HIGH MOUNTED STOP LAMP COURTESY LAMP COURTESY LAMP SW SIG FLASH-TO-PASS SW SIG DOME LAMP ENCODER SIG GROUND GROUND 2 HI STATUS LAMP 4 HI STATUS LAMP EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM HIGH MOUNT STOP LAMP HOT IN RUN, BULB TEST OR START ILLUMINATION LAMP INSTRUMENT CLUSTER SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM INTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM INTERIOR LIGHTS SYSTEM ILLUM LAMPS LAMP REQUEST LAMP SUP VOLT 2 GROUND LEFT BACK-UP LAMP LEFT BACKUP LAMP LEFT CONSOLE COURTESY LAMP LEFT FOG LAMP LEFT FRONT FOG LAMP SIGNAL LAMP LEFT FRONT MARKER LAMP LEFT FRONT PARK/ TURN SIGNAL LAMP LEFT LICENSE LAMP LEFT REAR LICENSE PLATE LAMP RIGHT FRONT PARK/ TURN SIGNAL LAMP LEFT REAR MARKER LAMP LEFT REAR PARK/ TURN SIGNAL LAMP LEFT REAR PARK/TURN SIGNAL LAMP RIGHT REAR PARK/TURN SIGNAL LAMP LEFT REAR TAIL/ STOP LAMP LEFT VANITY MIRROR LAMP LEFT VISOR VANITY MIRROR LAMP RIGHT BACK-UP LAMP RIGHT BACKUP LAMP RIGHT CONSOLE COURTESY LAMP RIGHT CONSOLE COURTESY LAMP BREAKOUT, 4 CM FROM BREAKOUT TO LAMP) RIGHT FOG LAMP RIGHT FRONT FOG LAMP RIGHT FRONT MARKER LAMP RIGHT LICENSE LAMP RIGHT REAR LICENSE PLATE LAMP RIGHT REAR PARK/ TURN SIGNAL LAMP RIGHT REAR TAIL/ STOP LAMP RIGHT VANITY MIRROR LAMP RIGHT VISOR VANITY MIRROR LAMP SIGNAL LAMP

FUEL PUMP/ SENDER SECONDARY AIR INJECTION REACTOR PUMP WINDSHIELD WASHER FLUID PUMP

A/C COMPRESSOR CLUTCH RELAY AIR RELAY BLOWER MOTOR RELAY BODY RELAY BLOCK COURTESY LAMP RELAY COURTESY LAMP RELAY HEADLAMP GROUND RELAY DAYTIME RUNNING LAMPS RELAY DOOR LOCK RELAY DOOR LOCK RELAY DOOR UNLOCK RELAY DOOR UNLOCK RELAY DOOR UNLOCK RELAY DOOR LOCK RELAY DRIVER'S DOOR UNLOCK RELAY DRIVER DOOR UNLOCK RELAY DRL RELAY CTRL CLASS 2 SERIAL DATA SIGNAL GROUND IGNITION 1 VOLTAGE FOG LAMP RELAY FROM BODY RELAY BLOCK FUEL PUMP RELAY FUEL PUMP RELAY ECM B FUSE GROUND BATTERY SERIAL DATA GROUND HORN RELAY HEADLAMP GROUNDING RELAY HEADLAMP HI BEAM RELAY CTRL HLP DIMMER SW HI BEAM SIG HEADLAMP POWER RELAY HEATED SEAT RELAY HORN RELAY HORN RELAY CONTROL INADVERTENT POWER LAMP RELAY LIFTGLASS REL RELAY CTRL LIFTGLASS RELAY PARK BRAKE SW DRL RELAY CTRL PARK LAMP RELAY PARK LAMP RELAY HEADLAMP SWITCH RAP RELAY COIL CTRL INTERIOR LAMP RELAY COIL CTRL HORN RELAY CTRL REAR WINDOW DEFOGGER RELAY STARTER RELAY UNDERHOOD FUSE BLOCK STARTER RELAY

54 29 69 72 73 63 ECT SENSOR IN PRNDL A PRNDL B PRNDL C PRNDL P VSS HIGH 710 1057 SERIAL DATA SENSOR RET SENSOR SIG 1850 1140 GROUND BATTERY SERIAL DATA GROUND SENSOR PWR (IN OXYGEN SENSOR JUMPER HARN, BANK 1 SENSOR 2 ENGINE COOLANT TEMPERATURE SENSOR (IN COOLANT PIPING, FRONT OF ENGINE, EVAP VENT MIL 2-3 SHIFT 1-2 SHIFT VSS VSS TFT SENSOR FLUID TEMP SENSOR FRONT PROPSHAFT SPEED SENSOR HEADLAMP RELAY COIL SUPPLY VOLTAGE LED DIMMING SIGNAL VEHICLE SPEED SENSOR SIG HEADLIGHT SENSOR AMBIENT SENSOR HEATED OXYGEN SENSOR HEATED OXYGEN SENSOR HEATED OXYGEN SENSOR I/P LAMP FUSE SUPPLY VOLTAGE AMBIENT LIGHT SENSOR SIG INSIDE AIR TEMPERATURE SENSOR ASSEMBLY SUNROOF CONTROL MODULE LEFT FRONT WHEEL SPEED SENSOR LIGHT SENSOR FOG SW IN HEADLAMP CTRL REAR PROPSHAFT SPEED SENSOR RIGHT FRONT WHEEL SPEED SENSOR SECURITY SYSTEM SENSOR SIG TRANSFER CASE FRONT PROPSHAFT SPEED SENSOR SHIELD TRANSMISSION FLUID TEMPERATURE SENSOR VEHICLE SPEED SENSOR (RIGHT REAR OF VEHICLE SPEED SENSOR SHIELD 4.3L A/T

LEFT FRONT DOOR HARN, 8 CM FROM RADIO SPEAKER BREAKOUT) LEFT FRONT DOOR SPEAKER RIGHT FRONT DOOR SPEAKER

A/T FLUID PRESSURE MANUAL VALVE POSITION SWITCH AXLE SWITCH SIG VSS LF WHL SPD SENS SIG RF WHL SPD SENS REF AXLE SWITCH SIGNAL BACK-UP LAMP SWITCH BLOWER SWITCH CTSY LAMP SWITCH SIG INT LPS DETENT SWITCH SIG DOOR LOCK CYLINDER SWITCH DOOR LOCK, WINDOW SWITCH DRIVER DOOR JAMB SWITCH DRIVER DOOR LOCK AND WINDOW SWITCH DRIVER DOOR LOCK CYLINDER SWITCH DRIVER DOOR LOCK, SIDE WINDOW SWITCH DRIVER DOOR LOCK/ WINDOW SWITCH DRIVER LUMBAR SWITCH DRIVER MEMORY SEAT MODULE DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT BELT SWITCH DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT LUMBAR SWITCH ENDGATE/ LIFTGATE WINDOW RELEASE SWITCH FOG LAMP SWITCH FR HANDLE SW KEY SW SIG DRV DR SWITCH FROM IGNITION SWITCH FRONT PAS- SENGER SEAT LUMBAR SWITCH FRONT PASSENGER DOOR JAMB SWITCH FRONT PASSENGER DOOR LOCK AND WINDOW SWITCH FRONT PASSENGER DOOR LOCK CYLINDER SWITCH FRONT PASSENGER DOOR LOCK, SIDE WINDOW SWITCH FRONT PASSENGER FRONT PASSENGER DOOR LOCK, WINDOW SWITCH FRONT PASSENGER LUMBAR SWITCH FRONT PASSENGER SEAT ADJUSTER SWITCH FRONT PASSENGER SEAT ADJUSTER SWITCH DRIVER SEAT ADJUSTER SWITCH FRONT PASSENGER SEAT BELT SWITCH FRONT PASSENGER SEAT LUMBAR SWITCH HEADLAMP SWITCH HIGH BEAM/ FLASH-TO- PASS SWITCH HOT W/HEADLAMP SWITCH IN PARK OR HEAD HOT W/HEADLAMP SWITCH IN PARK OR HEAD POSITION HOT W/HEADLAMP SWITCH IN PARK OR HEAD POSITION RHEOSTAT CONTROLLED HOT WITH HEADLAMP SWITCH IN HEAD OR PARK IGNITION 3 VOLT SEAT BELT SWITCH IGNITION KEY ALARM SWITCH IGNITION SWITCH INFLATABLE RESTRAINT I/P MODULE DISABLE SWITCH LEFT FRONT DOOR JAMB SWITCH LEFT FRONT WINDOW SWITCH LEFT FRONT WINDOW SWITCH DN LEFT REAR DOOR JAMB SWITCH LEFT REAR DOOR JAMB SWITCH RIGHT REAR DOOR JAMB SWITCH LEFT REAR SIDE DOOR JAMB SWITCH LEFT REAR WINDOW SWITCH LEFT STEERING WHEEL CONTROL SWITCH LEFT STEERING WHEEL CONTROLS SWITCH LIGHT SWITCH MODE DOOR SWITCH MULTI- FUNCTION SWITCH MULTIFUNCTION SWITCH OUTSIDE REAR VIEW FOLDING MIRROR SWITCH OUTSIDE REAR VIEW MIRROR SWITCH OUTSIDE REAR VIEW MIRROR SWITCH DRIVER DOOR LOCK/ SIDE WINDOW SWITCH OUTSIDE REARVIEW MIRROR SWITCH PARK SWITCH REAR DEF SWITCH ILLUM REAR WINDOW WASHER PUMP MOTOR BRAKE FLUID LEVEL SWITCH REAR WINDOW WIPER CUTOUT, LIFTGATE AJAR JAMB SWITCH REAR WINDOW WIPER CUTOUT, LIFTGLASS AJAR JAMB SWITCH REAR WIPER/ WASHER SWITCH REAR WIPER/WASHER SWITCH, ENDGATE/LIFTGATE WINDOW RELEASE SWITCH REAR WIPER/WASHER, ENDGATE/LIFTGATE WINDOW RELEASE SWITCH REV SW AUTOMATIC TRANSMISSION FLUID PRESSURE MANUAL VALVE POSITION SWITCH RIGHT DOOR HANDLE SWITCH RIGHT FRONT DOOR JAMB SWITCH RIGHT FRONT DOOR JAMB SWITCH INPUT RIGHT FRONT WINDOW SWITCH DN RIGHT REAR DOOR JAMB SWITCH RIGHT REAR SIDE DOOR JAMB SWITCH RIGHT REAR WINDOW SWITCH RIGHT STEERING WHEEL CONTROL SWITCH DRIVER SEAT BELT SWITCH RIGHT STEERING WHEEL CONTROLS SWITCH SECONDARY DOOR LATCH SWITCH SIG LIFTGATE JAMB SWITCH SPLICE PACK) DRIVER DOOR HANDLE SWITCH STOP LAMP SWITCH STOPLAMP SWITCH STOPLIGHT SWITCH SUN ROOF CONTROL SWITCH SUNROOF SWITCH SUNROOF SWITCH STOP- LAMP SWITCH SWITCH BACKLIGHTING SWITCH ILLUMINATION SWITCH SIGNAL TCC BRAKE SWITCH SIG SERIAL DATA TOW/ HAUL SWITCH TRANSFER CASE SELECT SWITCH TRANSFER CASE SHIFT CONTROL SWITCH VSS IGN KEY SWITCH DRV DR UNLK RLY WASHER SWITCH WINDOW LOCKOUT SWITCH WINDOW SWITCH WIPER SWITCH

1-2 SHIFT SOLENOID 2-3 SHIFT SOLENOID 3-2 SHIFT SOLENOID INSTRUMENT CLUSTER A/T SHIFT LOCK SOLENOID PARK LOCK SOLENOID PRESS CTRL SOLENOID PRESSURE CONTROL SOLENOID VALVE STARTER SOLENOID TCC PWM SOLENOID TCC SOLENOID

29 30 31 PNK WIRE BLK LT GRN/ WIRE BLK WIRE BLK/ WHT WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/ WHT WIRE DK GRN/WHT WIRE GRN WIRE GRY WIRE GRY/BLK WIRE HIGH VOLTAGE COIL WIRE LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/ BLK WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE LT PNK WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PNK 2.2L WIRE PNK 7 8 WIRE PNK 25 26 27 28 WIRE PNK A/T WIRE PNK IGNITION 1 VOLT LEFT TURN SIG RIGHT TURN SIG WIRE PNK IGNITION FEED IGN TIMING SIG. TACH. SIG. GROUND WIRE PNK PNK PNK 1 2 3 4 5 6 WIRE PNK PNK PNK WIRE PNK PNK UTILITY W/ FLOOR SHIFT WIRE PNK PNK WIRE PNK PPL WIRE PNK WIRE PNK/BLK WIRE PPL PNK WIRE PPL/WHT WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RUN WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TRANS SIG C TRANS SIG A TANK PRES PNK WIRE WHT DK GRN/ WIRE WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1 2 6 8 16 19 20 21 24 40 42 46 47 48 51 62 63 GND TCC PWM PC SOL HI PC SOL LO 1 8 17 18 19 20 32 33 34 40 53 57 58 59 63 72 74 75 79 80 GND 1-2 SHIFT SOL 2 DOOR UTILITY PICKUP W/ PWR DOOR LOCKS 2-3 SHIFT SOL 2-HI IND 2.2L 2.2L: ENG HARN, 25 CM FROM BREAKOUT TO PCM) 3-2 SHIFT SOL 3-2 SOL LOW REF 4 DOOR 4 DOOR UTILITY 4 LO REQUEST 2 HI REQUEST 4 HI REQUEST 4-DOOR 2-DOOR 4-HI IND 4-LO IND 4.3L 4.3L 2.2L 4.3L 4.3L 4.3L 4.3L ONLY 5 V REF 5 V REF 5 V REF 7 8 9 10 11 12 FUSED IGN GROUND VSS IN AIR TEMP INT LITE DIM PARKLAMPS 12 V REF GROUND 20 21 VSS LOW VSS HIGH 43 17 55 A/C COMP RLY CTRL A/C REQUEST SIGNAL A/C LOW SW SIGNAL 46 10 17 MIL IND TACH OUT VSS OUT 58 59 59 58 SERIAL DATA SERIAL DATA 59 58 58 59 CLASS 2 SERIAL DATA CLASS 2 SERIAL DATA 225 1694 TRANSMISSION SYSTEM 1356 705 278 192 FTP IN & SPLICE PACKS) (4.3L: ENG HARN, 7 CM FROM BREAKOUT (AIR JUMPER HARN, (BEHIND RIGHT SIDE (BEHIND RIGHT SIDE OF DASH, BETWEEN (IN AIR JUMPER HARN, BETWEEN (IN BODY HARN, BETWEEN (IN DASH HARN, BETWEEN RADIO, (LEFT OF RADIATOR SUPPORT, NEAR (LEFT POWER SEAT HARN, 15 CM FROM (LEFT POWER SEAT HARN, 20 CM FROM (ON LEFT REAR CORNER OF VEHICLE, NEAR (ON LEFT REAR OF (RIGHT POWER SEAT HARN, 15 CM W/ HEATED SEATS (RIGHT POWER SEAT HARN, 20 CM FROM (STRAPPED TO BODY HARNESS, IN CENTER FRONT OF DASH, TO (STRAPPED TO BODY HARNESS, IN CENTER FRONT OF DASH, TO RIGHT OF (UTILITY: RIGHT REAR CORNER * - INFORMATION NOT AVAILABLE A/C COMP RLY CTRL A/C COMPRESSOR CLUTCH A/C CYCLING SW SIGNAL A/C REQUEST SIGNAL A/C SYSTEM AIR BAG IND ANTI-THEFT SYSTEM ANTI-THEFT SYSTEM REMOTE KEYLESS ENTRY CIRCUIT ANTILOCK BRAKE SYSTEM AUTO OFF AUTO PARK HEAD AUTO PKLP HDLP AUTOMATIC DAY/NIGHT MIRROR AUTOMATIC DAY/NIGHT MIRROR SIGNAL AUTOMATIC TRANSMISSION AUXILIARY POWER OUTLET AXLE SW AXLE SW VSS LOW VSS HI B STUD BARE 2.2L 4.3L BARE BARE BODY COMPUTER SYSTEM BRAKE FLUID LVL SIG BRAKE IND CALIFORNIA ONLY CENTRAL SEQUENTIAL FUEL INJECTION CHARGE IND CHARGING SYSTEM CHECK GAUGES IND CIGAR LIGHTER CKP SIG CLASS 2 CLASS 2 SERIAL DATA CLASS II DATA CLOSE OPEN CLR IC LOGIC COMPUTER DATA LINES SYSTEM COOLANT TEMPERATURE CREW CAB CREW CAB ONLY CRUISE CONTROL SYSTEM CRUISE ENG CRUISE STATUS CRUISE STATUS VEHICLE SPEED INPUT DAY/NIGHT MIRROR DECODER LOGIC DEFROST BLEND OFF MAX A/C DIAGNOSTIC MODULE DIMMER INPUT DIMMING CONTROL DK DK DK DK LT DK LT DK PPL DN ILLUM DOME LIGHT DOME OVERRIDE DOOR LOCKS SYSTEM DOOR LOCKS SYSTEM DR HANDLE DR UNLK RLY DR LK RLY DRIVER DOOR SW INPUT DRIVER HEATED SEAT ASSEMBLY DRIVER HEATED SEAT MODULE DRIVER INFORMATION CENTER DRIVER INFORMATION DISPLAY MODULE DRIVER INFORMATION DISPLAY MODULE RADIO DRIVER OUTSIDE REAR VIEW MIRROR REAR WINDOW DEFOGGER GRID DRIVER OUTSIDE REAR- VIEW MIRROR DRIVERS OUTSIDE REARVIEW MIRROR ECT SENSR GRD ELECTRO CHROMATIC ELEMENT CONTROL ENCODER CHANNEL A ENCODER CHANNEL B ENCODER CHANNEL C ENCODER CHANNEL P ENCODER GROUND ENCODER SIG RTN ENG SPD ENG SPD VSS IGN 3 SERIAL DATA EVAP PURGE EX 4 DOOR UTILITY W/ LIFTGATE EXCEPT BASE PICKUP EXPRESS DOWN MODULE EXTERIOR LAMPS SYSTEM EXTERIOR PARK LAMPS SUPPLY VOLTAGE FOG LP IND FOG LP IND ILLUM FROM IGNITION FRONT PASSENGER FRONT PASSENGER HEATED SEAT ASSEMBLY FRONT PASSENGER OUTSIDE REAR VIEW MIRROR FRONT PASSENGER OUTSIDE REARVIEW MIRROR FRT DN REAR UP FRT UP BACK FUEL INJ 1 FUEL INJ 4 FUEL INJ 2 FUEL INJ 5 FUEL INJ 3 FUEL INJ 6 FUEL INJECTORS FUEL INJECTR 1 FUEL INJECTR 2 FUEL INJECTR 3 FUEL INJECTR 4 FUEL LEVEL SENS GRD FUSED BATT SERIAL DATA FUSIBLE LINK GARAGE DOOR OPENER GEN F IAC B HI IAC B LO IAC A LO IAC A HI GEN T/O AXLE SW A/C REQ GMCM SERIAL DATA GROUND DISTRIBUTION SYSTEM GROUND PARK SW BATT HAZ PWR TURN PWR FLSHR OUT HAZARD FLASHER MODULE HAZARD NORMAL HEADLAMP OFF SIG HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM COMPUTER DATA LINES SYSTEM HEAT A/C VENT BI-LEVEL A/C HEAT BI-LEVEL A/C VENT HI MIST HI MIST LO OFF HIGH BEAM IND HIGH CONTROL CLASS 2 SERIAL DATA HORNS SYSTEM HOT AT ALL TIME HOT AT ALL TIMES HOT AT ALL TIMES POWER SEATS CIRCUIT BREAKER HOT IN HOT IN ACC OR RUN HOT IN ACC, RUN, RETAINED ACC POWER HOT IN ACCY OR RUN HOT IN ACCY, RUN HOT IN ACCY, RUN OR RAP HOT IN ACCY, RUN, RAP HOT IN OFF, RUN OR START HOT IN PARK OR NEUTRAL HOT IN PARK, HEAD HOT IN RUN HOT IN RUN OR START HOT IN RUN, START HOT W/HEADLAMP SW IN PARK OR HEAD HVAC CONTROL ASSEMBLY IGN 1 OFF/RUN IGNITION 3 LF WHL SPD SENS REF RF WHL SPD SENS SIG ILLUM DN INADVERTENT POWER INFLATABLE RESTRAINT I/P MODULE INFLATABLE RESTRAINT SENSING INFLATABLE RESTRAINT STEERING WHEEL MODULE INJ 4 CTRL INJ 5 INSIDE REAR VIEW MIRROR INSIDE REARVIEW MIRROR OR DRIVER INFORMATION DISPLAY MODULE INSIDE REARVIEW MIRROR OR DRVER INFORMATION DISPLAY W/O OVERHEAD CONSOLE INSTRUMENT CLUSTER INSTRUMENT CLUSTER SYSTEM INSTRUMENT CLUSTER, SOUND SYSTEMS INSTRUMENT PANEL CLUSTER KEY BUZZER DOME LMP KEY IN IGN LIFTGATE SW DOOR SW SIG KS SIG LEFT ACCESSORY POWER OUTLET RIGHT ACESSORY POWER OUTLET LEFT FRONT PARK/ TURN LEFT FRONT TURN SW SIG RIGHT FRONT TURN SW SIG LEFT HIGH BEAM HEADLAMP LEFT LOW BEAM HEADLAMP LEFT LOW BEAM HEADLAMP RIGHT LOW BEAM HEADLAMP LEFT OUTSIDE REARVIEW MIRROR LEFT TURN LEFT TURN IN LIFT GLASS RELEASE SW SIG LO PULSE LO SW SW LOW FUEL LOW HIGH MED 1 MED 2 LOW REF LOW REF GROUND LOW REF LOW REF LS COMMON LT DK LT INSTRUMENT CLUSTER LT LT LT LT DK LT PPL M/T A/T MAF SIG MAF SIG MAP SIG MEMORY SEAT MODULE MIL IND CTRL SERIAL DATA VSS SIG OUT MIL INPUT MIRRORS SYSTEM NEUTRAL IND NOT USED ODOMETER DISPLAY OFF DEF MAX A/C BLEND NORM HEAT BI-LEVEL VENT OFF HEAD PARK OFF LO OFF LO PULSE OFF MAX A/C OFF ON OFF ON PULSE ON LED ON OFF OFF OUTSIDE REAR VIEW MIRROR OVER SPEED ALARM IND OVERHEAD CONSOLE W/ SUN ROOF OVERHEAD CONSOLE W/O SUN ROOF P R N D 3 2 1 PACKS) PARK BRAKE SW SIG PARK HEAD AUTO PARK LPS VOLT KEY IN IGN SW SERIAL DATA PARK RLY CTRL FOG RLY CTRL HEADLAMP CTRL HIGH BEAM IN PARK RLY CTRL RIGHT TURN IN PASSENGER OUTSIDE REAR VIEW MIRROR PC SOL PICK-UP PICKUP EXCEPT CREW CAB PICKUP EXCEPT CREWCAB PICKUP ONLY PICKUP UTILITY PICKUP W/ POWER DOOR LOCKS W/O KEYLESS ENTRY PICKUP, UTILITY W/O AUTO A/C PICKUP: ON RIGHT REAR FRAME RAIL) POWER DISTRIBUTION SYSTEM POWER DOOR LOCKS SYSTEM POWER SEATS CIRCUIT BREAKER POWER WINDOW CIRCUIT BREAKER POWER, LOGIC CIRCUITS PPL 2 1 PPL A/T M/T PPL FUEL LEV A/C LOW PPL FUEL LEVEL SIG IN PPL FUEL LVL IN PPL HIGH PPL LT PPL PPL PPL PPL PPL ESTC PRK LPS PRNDL C SIG PRNDL P SIG RADIO DIM REAR DN REAR DN RECL FWD REAR DN RECL FWD RECL RWD REAR UP FRT DN REAR WINDOW DEFOGGER GRID RECL RWD REV, LO RIGHT FRONT PARK/ TURN RIGHT HIGH BEAM HEADLAMP RIGHT LEFT RIGHT LOW BEAM HEADLAMP RIGHT TURN RIGHT TURN IND LEFT TURN IND SEAT BELT IND SECURITY IND SEEK DOWN SEEK UP SERIAL DATA SERIAL DATA GROUND SET SW SHORTING BAR SOLID STATE SOUND SYSTEMS SPARK PLUGS SPICE PACK SPLICE PACK SPLICE PACK PPL SPORTSIDE PICKUP STARTING/ CHARGING SYSTEM STEERING COLUMN) STEERING WHEEL CONTROLS STRAPPED TO BODY HARN, IN CENTER FRONT OF DASH, LEFT OF SP 200) SUNROOF MODULE SW COMM SW SW TACH OUT TAIL GATE ALARM IND TCC PWM SOL TCC SOL TCC SOL A/C CLU TEMP CONTROL TILT DOWN TILT DWN INPUT TILT UP TILT UP INPUT CLOSE, TIMER CIRCUIT TO ENG HARN, 5 CM FROM BREAKOUT TO ENG HARN) TO SPLICE TP SENS IAT SENS IC TIMING TRAILER WIRING PROVISION TRAILER WIRING PROVISIONS TRANS SIG A TCC SW TRANS SW P CPP SW INJ 1 INJ 3 PPL TRANS SW B CMP SENS ECT SENS OFF/CRK/RUN INJ 2 INJ 6 TRANSMISSION SYSTEM TRIP RESET UP DN UPSHIFT IND UTILITY 4.3L UTILITY VEHICLES ONLY UTILITY W/ OVERHEAD TRIP CONSOLE UTILITY W/ RADIO CONTROLS PICKUP UTILITY W/O OVERHEAD CONSOLE, PICKUP UTILITY W/O RADIO CONTROLS UTILITY W/OVERHEAD UTILITY, CREW CAB UTILITY, CREW CAB, MAXI-CAB UTILITY, CREWCAB UTILITY/CREW CAB VEHICLE SPEED SIGNAL VEHICLE SPEED SYSTEM VOL DOWN VOL UP VS SIGNAL VSS ADAPTER VSS HIGH VSS LOW VSS SIG OUT W/ A/C W/ A/C 4.3L W/ COLUMN SHIFT W/ ENHANCED PERFORMANCE AUDIO W/ FLOOR SHIFT W/ COLUMN SHIFT W/ FOLDILNG POWER MIRRORS W/ FULL TRIP W/ HEATED SEATS W/ KEYLESS ENTRY W/ MEMORY W/ MIRROR LAMPS W/O MIRROR LAMPS W/ OVERHEAD CONSOLE ONLY W/ POWER DOOR LOCKS EXCEPT PICKUP W/O KEYLESS ENTRY W/ REMOTE KEYLESS ENTRY W/ RKE W/ TRIP W/ TRIP COMPUTER W/ TWO SPEED ELECTRONIC CONTROL W/O MEMORY W/O OVERHEAD CONSOLE ONLY W/O OVERHEAD CONSOLE ONLY W/ OVERHEAD CONSOLE ONLY W/O TRIP WARNING SYTEMS TRANSMISSION SYSTEM WIPER/ WASHER SYSTEM