Wiring Diagrams for Chevrolet Caprice Impala SS (1995-1996)

Air conditioning circuits

Anti-lock brake circuits

Pass-key circuit, without seo Pass-key circuit, with seo

Computer data lines Data link connector circuit

Cooling fan circuit

Cruise control circuit

Defogger circuit

Electronic power steering circuit

Electronic level control

Wiring diagram engine performance 4.3l (vin w)s

Wiring diagram engine performance 5.7l (vin p)s

Accessory lamps circuit Back-up lamps circuit Backup lamps circuit Exterior lamps circuit, sedan Exterior lamps circuit, wagon Exterior light circuit, sedan Exterior light circuit, wagon

Ground distribution circuit

Headlight circuit, with drl Headlight circuit, without drl, without twilight sentinel Headlight circuit, without drl, with twilight sentinel

Horn circuit

Instrument cluster circuit

Courtesy lamps circuit Instrument illumination circuit

Power antenna circuit

Power distribution circuit

Door lock circuit Keyless entry circuit

Power mirror circuit

6-way power seat circuit

Power window circuit

Radio circuits

Shift interlock circuit

Charging circuit Starting circuit

Supplemental restraint circuit

4.3l (vin w), transmission circuit

5.7l (vin p), transmission circuit

Rear glass release circuit, without keyless entry Tailgate release circuit Trunk release circuit, with keyless entry & seo Trunk release circuit, without keyless entry & seo

Warning system circuits

Front wiper/washer circuit Rear wiper/washer circuit

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 GROUND BATTERY BATTERY IGNITION A/C COMPRESSOR CLUTCH COIL A/C COMPRESSOR CLUTCH DIODE ACCY ACCY BULB TEST LOCK LOCK OFF OFF ANTI-LOCK BRAKE SYSTEM ANTI-LOCK BRAKES SYSTEM AUTO DOOR LOCK PULL-DOWN RESISTOR BATTERY IN BATTERY POWER COIL DRIVER IGN IGN CTRL FROM BATTERY HORN BRUSH SLIP RING I/P LAMPS DIMMER INTERIOR LAMPS DIODE IAC COIL "A" LOW IAC COIL "B" LOW IAC COIL A HI IAC COIL B HI IGNITION KEY LOCK CYLINDER LOCK OFF LOCK UNLOCK OIL PRESSURE RESISTOR PULL- IN COIL HOLD- IN COIL REMOTE CONTROL DOOR LOCK RECEIVER RESISTOR PELLET PPL/ SIR COIL ASSEMBLY UNLOCK LOCK

ANTENNA MOTOR UP BLOWER MOTOR ENDGATE WINDOW RELEASE ACTUATOR ENGINE CONTROLS SYSTEM FORCE MOTOR FORWARD/ BACK MOTOR FRONT HEIGHT MOTOR LEFT FRONT DOOR LOCK ACTUATOR LEFT REAR DOOR LOCK ACTUATOR LEFT SECONDARY ENGINE COOLANT FAN MOTOR LEFT/RIGHT MOTOR MODE VALVE ACTUATOR NORMAL EXHAUST SOLENOID COM- PRESSOR MOTOR P/S PUMP EVO ACTUATOR POWER STEERING FLUID RESERVOIR P/S PUMP FITTING EVO ACTUATOR POWER STEERING PUMP ACTUATOR PRIMARY COOLANT FAN MOTOR PUMP MOTOR PUMP MOTOR POWER OUTPUT REAR COMPARTMENT LID LOCK RELEASE ACTUATOR REAR COMPARTMENT LID PULL- DOWN ACTUATOR REAR COMPARTMENT LID PULL-DOWN ACTUATOR MOTOR REAR HEIGHT MOTOR REAR WINDOW WIPER MOTOR RIGHT FRONT DOOR LOCK ACTUATOR RIGHT PRIMARY ENGINE COOLANT FAN MOTOR RIGHT REAR DOOR LOCK ACTUATOR SECONDARY COOLANT FAN MOTOR SECONDARY COOLANT FAN MOTOR PRIMARY COOLANT FAN MOTOR SECONDARY ENGINE COOLING FAN MOTOR SERVICE ENGINE SOON IND STARTER MOTOR TAILGATE DOOR LOCK ACTUATOR UP/DOWN MOTOR UP/DOWN MOTOR LEFT/RIGHT MOTOR WINDSHIELD WIPER MOTOR

ANTENNA COAXIAL ANTENNA INPUT POWER ANTENNA SYSTEM

LEFT FRONT SIDE WINDOW REGULATOR MOTOR LEFT REAR SIDE WINDOW REGULATOR MOTOR RIGHT FRONT SIDE WINDOW REGULATOR MOTOR RIGHT REAR SIDE WINDOW REGULATOR MOTOR

DATA LINK CONNECTOR PROGRAMMING CONNECTOR

AUTOMATIC TRANSMISSION CONTROL MODULE BLOWER MOTOR CONTROL MODULE STOPLAMP SWITCH BUICK SEDAN POWER STEERING CONTROL MODULE REAR COMPARTMENT COURTESY LAMP CRUISE CONTROL MODULE CRUISE CONTROL MODULE CRUISE CONTROL SWITCH DAYTIME RUNNING LAMP CONTROL MODULE DAYTIME RUNNING LAMPS CONTROL MODULE DAYTIME RUNNING LAMPS OR HEADLAMP AUTOMATIC CONTROL MODULE DRL CONTROL MODULE HEATER-A/C CONTROL ELECT. IGNITION CONTROL MODULE ELECTRONIC BRAKE CONTROL MODULE ELECTRONIC IGNITION CONTROL MODULE HEADLAMP AUTO CONTROL MODULE OR DAYTIME RUNNING LAMPS CONTROL MODULE HEADLAMP AUTOMATIC CONTROL MODULE HEADLAMP AUTOMATIC CONTROL MODULE OR DAYTIME RUNNING LAMPS CONTROL MODULE PASSENGER'S SEAT HEAT CONTROL MODULE DRIVER'S SEAT HEAT CONTROL MODULE POWER STEERING CONTROL MODULE POWER WINDOW CONTROL MODULE POWERTRAIN CONTROL MODULE POWERTRAIN CONTROL MODULE IGNITION COIL ELECTRONIC BRAKE CONTROL MODULE THEFT DETERRENT MODULE CRUISE CONTROL MODULE

1995 VFTC I/P FUSE BLOCK A/C DRL FUSE 20 A/C DRL FUSE #20 VES FUSE #18 AIR BAG FUSE AIR BAG FUSE #15 AIR FUSE #3 AUX FUSE #1 AUX FUSE #2 AUX FUSE #3 AUX FUSE #4 AUX FUSE #5 AUX FUSE #6 AUXILIARY FUSE BOX BODY 1 FUSE #10 BODY 2 FUSE #11 CHI BODY FUSE CHI BODY FUSE #13 CIG/DLC FUSE CIG/DLC FUSE #28 CLUS CHI FUSE CLUS CHI FUSE #33 CRANK FUSE CRANK FUSE #24 CRANK FUSE #24 PASSKEY FUSE #14 CRUISE FUSE 16 CTSY PWR LK FUSE CTSY PWR LOCK FUSE CTSY PWR LOCK FUSE 35 ELC FUSE #1 EMI FUSE #4 EMI FUSE #4 PCM/ IGN FUSE #5 FUEL INJ FUSE #6 EXT LPS FUSE EXT LPS FUSE 31 F/P FUSE #2 FROM UNDERHOOD ELECTRICAL CENTER BODY 1 FUSE #10 FROM UNDERHOOD ELECTRICAL CENTER BODY 2 FUSE #11 FUEL INJ FUSE #6 FUEL INJ FUSE #9 FUSE BLOCK FUSE LINK B FWD LPS FUSE FWD LPS FUSE #41 INT DIM FUSE #42 GAGES FUSE HORN FUSE #32 HORNS FUSE HOT AT ALL TIMES CLUS CHI FUSE 33 HOT AT ALL TIMES HOT IN RUN MAXI FUSE 12 MAXI FUSE 13 SEC FAN FUSE HOT AT ALL TIMES I/P FUSE BLOCK TRK LPS FUSE 27 HOT AT ALL TIMES UNDERHOOD ELECTRICAL CENTER ELC AIR FUSE HOT AT ALL TIMES UNDERHOOD ELECTRICAL CENTER F/P FUSE #2 HOT AT ALL TIMES UNDERHOOD ELECTRICAL CENTER MAXI FUSE 11 HOT IN RUN A/C DRL FUSE 20 HOT IN RUN OR START UNDERHOOD ELECTRICAL CENTER EMI FUSE #4 HOT IN RUN PRI FAN FUSE HOT IN RUN SEC FAN FUSE HOT IN RUN UNDERHOOD ELECTRICAL CENTER PRI FAN FUSE HOT IN RUN, BULB TEST OR START HOT AT ALL TIMES TRK LP FUSE 27 BODY FUSE 12 HTD MIR FUSE 44 HVAC BLO FUSE HVAC BLO FUSE #17 PWR WDO CIRCUIT BREAKER #2 I/P FUSE BLOCK I/P FUSE BLOCK CRANK FUSE I/P INDC FUSE #11 I/P INDIC FUSE I/P INDIC FUSE 11 INT DIM FUSE 42 MAXI FUSE 10 MAXI FUSE 12 MAXI FUSE 13 MAXI- FUSE 11 PASS-KEY FUSE #14 PASS-KEY FUSE #34 PASSKEY FUSE #34 PCM/IGN FUSE 5 PRI FAN FUSE #7 PRMRY COOL FAN FUSE #12 PWR LK FUSE RADIO FUSE RADIO FUSE 10 AMP RADIO FUSE #9 REAR REL FUSE 29 RR REL FUSE RR REL FUSE 29 RR RELEASE FUSE #29 RADIO FUSE #30 RR T/LPS FUSE RR T/LPS FUSE 43 RR WIPER FUSE #8 SCNDRY COOL FAN FUSE #13 SEC FAN FUSE #8 SEO FUSE #21 SEO FUSE #22 STOP HZD FUSE #37 HVAC MOD FUSE #38 HTD SEAT FUSE #40 STOP/HAZ FUSE STOP/HZD FUSE STOP/HZD FUSE 37 T/SIG FUSE T/SIG FUSE 12 TO I/P FUSE BLOCK TO PRI FAN FUSE #7 TRK LP FUSE #27 TRK P DOWN FUSE 36 TRK PDWN OR RR WIPER FUSE #36 PWR LK FUSE #39 UNDERHOOD ELECTRICAL CENTER FUEL INJ FUSE #9 UNDERHOOD ELECTRICAL CENTER SEC FAN FUSE #8 VES FUSE 8 10 AMP WIPER FUSE #10 WIPER FUSE #10 T/SIG FUSE #12

HEATER AND A/C CONTROL HEATER, A/C CONTROL ASSEMBLY HEATER-A/C CONTROL HEATER-A/C CONTROL LAMP

A/T POSITION INDICATOR LIGHT ANTI-LOCK INDICATOR CONTROL BUICK SEDAN REAR COMPARTMENT LID AJAR INDICATOR LAMP ASHTRAY LAMP HI BEAM INDICATOR INDICATOR CONTROL MALFUNCTION INDICATOR MALFUNCTION INDICATOR LAMP ON INDICATOR PASSENGER SEAT HEATER ON INDICATOR SEAT BELT INDICATOR VF SPEED- OMETER DISPLAY HI BEAM INDICATOR

AUXILIARY DOME LAMP BUICK ONLY RIGHT CORN- ERING LAMP BULB TEST DK CHEVY RIGHT FRONT SIDE MARKER LAMP DOME LAMP DOME LAMP LEFT ROOF RAIL COURTESY AND READING LAMP HAZARD LAMP FLASHER HIGH MOUNT STOP LAMP HIGH MOUNT STOP LAMP 400 OHM HOT IN RUN, BULB TEST OR START I/P COMPART- MENT LAMP I/P COMPARTMENT LAMP I/P PANEL LAMP DIMMER ON INSTRUMENT PANEL LAMP DIMMER INTERIOR LIGHTS SYSTEM CHEVY LAMP BUICK ONLY LAMP SENS INPUT LAMP SENS INPUT LEFT BACK-UP LAMP LEFT BACKUP LAMP LEFT CORN- ERING LAMP LEFT CORN- ERING LAMP RIGHT CORN- ERING LAMP LEFT EMERGENCY VEHICLE REAR COMPARTMENT LID LAMP LEFT EMERGENCY VEHICLE REAR WINDOW PANEL LAMP LEFT FRONT DOOR COURTESY LAMP LEFT FRONT PARK/ TURN LAMP LEFT FRONT SIDE DOOR COURTESY LAMP LEFT FRONT SIDE MARKER AND CORNERING LAMP LEFT FRONT SIDE MARKER LAMP LEFT I/P COURTESY LAMP LEFT LOWER TAIL/TURN/ STOPLAMP LEFT REAR SIDE MARKER LAMP LEFT OPERA LAMP RIGHT OPERA LAMP LEFT OUTBOARD TAIL LAMP LEFT PARK AND FRONT SIDE MARKER LAMP LEFT REAR COMPARTMENT COURTESY LAMP LEFT REAR COURTESY LAMP LEFT REAR DOOR COURTESY LAMP LEFT REAR SIDE MARKER LAMP LEFT ROOF RAIL COURTESY AND READING LAMP LEFT SPOT LAMP LEFT SPOT LAMP RIGHT SPOT LAMP LICENSE LAMP LIGHTS ON SIGNAL MOUNT STOP LAMP 400 OHM PPL LEFT TAIL LAMP LEFT REAR MARKER LAMP PPL ON LAMP PPL PPL PPL LEFT TAIL/ STOP/ TURN LAMPS LEFT TAIL LAMP REAR COMPARTMENT COURTESY LAMP WAGON RIGHT BACK-UP LAMP RIGHT BACKUP LAMP RIGHT EMERGENCY VEHICLE REAR COMPARTMENT LID LAMP RIGHT EMERGENCY VEHICLE REAR WINDOW PANEL LAMP RIGHT FRONT DOOR COURTESY LAMP RIGHT FRONT PARK/ TURN LAMP RIGHT FRONT SIDE DOOR COURTESY LAMP RIGHT FRONT SIDE MARKER LAMP RIGHT FRONT SIDE MARKER LAMP LEFT FRONT SIDE MARKER LAMP RIGHT I/P COURTESY LAMP RIGHT LICENSE LAMP RIGHT PARK AND FRONT SIDE MARKER LAMP RIGHT FRONT SIDE MARKER AND CORNERING LAMP RIGHT REAR COMPARTMENT COURTESY LAMP RIGHT REAR COURTESY LAMP RIGHT REAR SIDE MARKER LAMP RIGHT ROOF RAIL COURTESY AND READING LAMP RIGHT ROOF RAIL COURTESY AND READING LAMP INSIDE REARVIEW MIRROR RIGHT SPOT LAMP RIGHT SUNSHADE ILLUMINATED MIRROR AUXILIARY DOME LAMP RIGHT TAIL/ STOP/ TURN LAMPS RIGHT REAR SIDE MARKER LAMP STOP LAMP/ CRUISE RELEASE TO CUSTOMER INSTALLED EXTERIOR ROOF LIGHTS TURN SIGNAL LAMP FLASHER UNDERHOOD LAMP

FUEL PUMP/ SENDER

A/C COMPRESSOR RELAY PRIMARY ENGINE COOLANT FAN RELAY AIR PUMP RELAY CTRL BLOWER RELAY COM- PRESSOR MOTOR RELAY DOOR LOCK RELAY DRL RELAY ENDGATE RELAY LEFT LICENSE LAMP ENDGATE WINDOW RELEASE RELAY FUEL PUMP RELAY FUEL PUMP RELAY CTRL HEAD RELAY HIGH BLOWER RELAY HIGH SPEED BLOWER RELAY LOW SPEED BLOWER RELAY RADIO POWER ANTENNA RELAY HORN RELAY INTERIOR LAMP RELAY REAR WINDOW WIPER MOTOR INTERNAL HEAD RELAY INTERNAL PARK RELAY LOCK RELAY PARK RELAY PARK RELAY OUT POWER DOOR LOCK RELAY PRIMARY COOLING FAN RELAY PRIMARY ENGINE COOLANT FAN RELAY RADIO POWER ANTENNA RELAY RADIO REAR WINDOW DEFOGGER RELAY (BASE OF LH "A" PILLAR REAR COMPARTMENT LID RELEASE RELAY REAR WINDOW DEFOG RELAY REAR WINDOW DEFOGGER RELAY RELAY CONTROL RELAY CONTROL RELAY CONTROL RELAY PANEL RIGHT I/P COURTESY LAMP INTERIOR LAMP RELAY CONVENIENCE CENTER SECONDARY AIR INJECTION PUMP RELAY SECONDARY COOLING FAN RELAY UNDERHOOD ELECTRICAL CENTER SECONDARY ENGINE COOLANT FAN RELAY SOLID STATE TIMER RELAY START MOTOR THEFT DETERRENT RELAY THEFT DETERRENT RELAY UNLOCK RELAY UNLOCK RELAY LOCK RELAY WINDSHIELD WIPER MOTOR FUEL PUMP RELAY

18 19 REAR WHEEL SENSOR INPUT REAR WHEEL SENSOR GRD 1995 VFTC STEERING WHEEL SPEED SENSOR A/C PRESS SENSOR SIG AUTOMATIC LEVEL CONTROL SENSOR BACK-UP LAMP/ TRANSMISSION POSITION SENSOR SWITCH BACKUP LAMP, TRANSMISSION POSITION SENSOR SWITCH BATTERY PPL SENSOR GROUND CKP SENSOR SIG ECT SENSOR SIG ENGINE OIL LEVEL SENSOR GROUND LEFT FRONT WHEEL SENSOR INPUT LEFT FRONT WHEEL SENSOR GRD IAT SENSOR SIG INTAKE AIR TEMPERATURE SENSOR (AIR CLEANER KNOCK SENSOR SIG LEFT FRONT WHEEL SPEED SENSOR LEFT REAR OXYGEN SENSOR RIGHT REAR OXYGEN SENSOR MAF SENSOR SIG MAP SENSOR SIG MASS AIR FLOW SENSOR MERCURY SWITCH AUTOMATIC LEVEL CONTROL SENSOR OPTICAL SENSOR REAR WHEEL SPEED SENSOR RIGHT FRONT HEATED OXYGEN SENSOR RIGHT FRONT WHEEL SENSOR INPUT RIGHT FRONT WHEEL SENSOR GRD RIGHT FRONT WHEEL SPEED SENSOR SENSOR GROUND SENSOR INPUT SENSOR RETURN SOLENOID VALVE SENSOR SEO TP SENSOR SIG TRANS FLUID TEMP SENSOR UNDERHOOD ELECTRICAL CENTER SENSOR VEHICLE SPEED SENSOR

LEFT FRONT SPEAKER LEFT REAR SPEAKER RIGHT FRONT SPEAKER RIGHT REAR SPEAKER

1 21 26 A/C REQUEST A/C ON SIGNAL SWITCH INPUT ACCESSORY SWITCH PANEL BACKUP LAMP SWITCH BLOWER SWITCH BUICK OUTSIDE REMOTE CONTROL REARVIEW MIRROR SWITCH CHEVY REAR DEFOGGER SWITCH COURTESY SWITCH CRUISE CONTROL RELEASE SWITCH CRUISE CONTROL SWITCH DIMMER SWITCH BUICK BUICK DIMMING SWITCH DOOR JAMB SWITCH DOWN SWITCH DOWN DRIVER SEAT ADJUSTER SWITCH DRIVER SEAT BACK LUMBAR SUPPORT SWITCH DRIVER SEAT RECLINER SWITCH DRIVER'S SEAT ADJUSTER SWITCH DRIVER'S SEAT BACK LUMBAR SUPPORT SWITCH DRIVER'S SEAT HEATER SWITCH DRIVER'S SEAT RECLINER SWITCH ENDGATE LOWER LOCK AJAR SWITCH ENDGATE UPPER LATCH SWITCH ENDGATE WINDOW RELEASE SWITCH EVAPORATIVE EMISSION CANISTER PURGE VACUUM SWITCH EXTERIOR LAMPS TURN SIGNAL SWITCH FROM IGNITION SWITCH HEAD- LAMP DIMMER SWITCH HI LO HEADLAMP DIMMER SWITCH HEADLAMP SWITCH HEADLAMP SWITCH HEAD OFF PARK HEADLAMP SWITCH HEATER, A/C CONTROL HEADLAMP, INSTRUMENT PANEL LAMP HEADLAMP SWITCH LAMP HEADLAMP SWITCH REAR WINDOW DEFOGGER SWITCH HEADLAMP SWITCH/ HEADLAMP, I/P DIMMER SWITCH HEADLAMP, I/P DIMMER SWITCH HEATER, A/C CONTROL SELECTOR SWITCH ELECTRIC ACTUATOR VACUUM, ELECTRIC SOLENOID HOT WITH HEADLAMP SWITCH IN PARK OR HEAD I/P COMPARTMENT LAMP SWITCH IDLE SPEED CONTROL POWER STEERING PRESSURE SWITCH IGNITION KEY ALARM SWITCH IGNITION SWITCH INSTRUMENT CLUSTER ENGLISH/ METRIC SWITCH INSTRUMENT PANEL LAMP DIMMER HEADLAMP SWITCH LEFT FRONT DOOR JAMB SWITCH LEFT FRONT DOOR LOCK SWITCH LEFT FRONT DOOR LOCK SWITCH RIGHT FRONT DOOR LOCK SWITCH LEFT POWER DOOR LOCK SWITCH LEFT REAR DOOR JAMB SWITCH LEFT REAR DOOR JAMB SWITCH RIGHT FRONT DOOR JAMB SWITCH LEFT REAR SIDE WINDOW SWITCH DN LO OFF PULSE PULSE WASHER SWITCH LOW COOLANT LEVEL SWITCH MASTER POWER WINDOW SWITCH POWER WINDOW LOCKOUT SWITCH MASTER SIDE WINDOW SWITCH MIRROR POSITION SWITCH MIRROR SELECT SWITCH MODE SWITCH ON COURTESY SWITCH ON/OFF MOMENTARY SWITCH OUTSIDE REMOTE CONTROL REARVIEW MIRROR SWITCH PARK BRAKE SWITCH PARK/ NEUTRAL POSITION SWITCH PARK/NEUTRAL POSITION SWITCH PARK/NEUTRAL POSITION SWITCH PPL PASSENGER SEAT ADJUSTER SWITCH PASSENGER SEAT BACK LUMBAR SUPPORT SWITCH PASSENGER SEAT RECLINER SWITCH PASSENGER'S SEAT ADJUSTER SWITCH PASSENGER'S SEAT BACK LUMBAR SUPPORT SWITCH PASSENGER'S SEAT HEATER SWITCH PASSENGER'S SEAT RECLINER SWITCH PPL BRAKE SWITCH IN PPL BRAKE SWITCH SIG PSP SWITCH IN REAR COMPARTMENT LID PULL- DOWN SWITCH REAR COMPARTMENT LID RELEASE SWITCH REAR WINDOW DEFOGGER SWITCH REAR WINDOW WIPER/ WASHER AND MULTI- FUNCTION SWITCH REAR WINDOW WIPER/ WASHER SWITCH REMOTE CONTROL ENDGATE UPPER LATCH SWITCH DOOR LOCK RECEIVER RIGHT FRONT DOOR JAMB SWITCH RIGHT FRONT DOOR LOCK SWITCH RIGHT FRONT SIDE WINDOW SWITCH DN RIGHT POWER DOOR LOCK SWITCH RIGHT REAR DOOR COURTESY LAMP OUTSIDE REMOTE CONTROL REAR VIEW MIRROR SWITCH RIGHT REAR DOOR JAMB SWITCH RIGHT REAR SIDE WINDOW SWITCH DN UP RIGHT WINDOW SWITCH ILLUMINATION LAMP SEAT BELT SWITCH SEO I/P DIMMER SWITCH SIDE WINDOW LOCK- OUT SWITCH SIDE WINDOW MASTER SWITCH PASSENGER SEAT ADJUST SWITCH STARTER ASSEMBLY SOLENOID SWITCH STARTER SOLENOID SWITCH TCC TEMP SWITCH TCC TEMP SWITCH SIG PPL EVAP SOL. DIAG. SWITCH TO EVAPORATOR EMISSION CANISTER PURGE VACUUM SWITCH TO IGNITION SWITCH TURN SIGNAL SWITCH TURN/ HAZARD SWITCH TWILIGHT SENTINEL SWITCH UP UP SWITCH WARNING ALARM CRUISE CONTROL RELEASE SWITCH WINDSHIELD WASHER SOLVENT LEVEL SWITCH WINDSHIELD WIPER/ WASHER SWITCH WIPER SWITCH WIPER/ WASHER SWITCH

1-2 SHIFT SOLENOID 2-3 SHIFT SOLENOID 3-2 CTRL SOLENOID BRAKE PRESSURE MODULATOR VALVE EGR SOLENOID CTRL EXHAUST VALVE PRESS CTRL HI SOLENOID REAR COMPARTMENT LID RELEASE SOLENOID REAR COMPARTMENT LOCK RELEASE SOLENOID SECONDARY AIR INJECTION PUMP BLEED VALVE SOLENOID SHIFT SOLENOID A SHIFT SOLENOID B SOLENOID VALVES STARTER SOLENOID STEERING COLUMN BRAKE TRANSMISSION SHIFT INTERLOCK SOLENOID STEERING COLUMN BRAKE/ TRANSMISSION SHIFT INTERLOCK SOLENOID BUICK TCC CONTROL SOLENOID TCC CONTROL SOLENOID PPL SERIAL DATA TCC ENABLE SOLENOID TCC PWM SOLENOID TCC SOLENOID VALVE POWER OUTPUT

5 VOLTS REF PNK IGNITION WIRE 6 7 8 9 PNK WIRE 358 39 PNK WIRE 728 1439 PNK WIRE 2140 839 PNK 229 625 728 WIRE 2140 839 PNK WIRE BK BLU/WHT WIRE BLK 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 ECT SENS INPUT PNK RANGE SIGNAL "A" WIRE FROM IGNITION SWITCH PNK WIRE FUEL INJECTORS PNK PNK WIRE GRN WIRE GRY WIRE GRY/BLK WIRE LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT BRN WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE PCS LO PNK IGNITION IN WIRE PNK BACKUP LIGHTS CIRCUIT PNK WIRE PNK BNK WIRE PNK CHANGE OIL IND CTRL WIRE PNK PNK IGN IGN LK SIG UNLK SIG BRAKE SIG WIRE PNK PNK PNK PNK WIRE PNK PNK PNK WIRE PNK PNK WIRE PNK PPL WIRE PNK TRANS RANGE SIG A WIRE PNK WIRE PNK/BLK WIRE PPL PNK WIRE PPL/WHT WIRE RED IND IGN WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE RUN WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TO FUEL INJ FUSES #6 AND #9 PNK WIRE TRANS PRESS CTRL LOW PNK IGNITION WIRE TURN SIGNAL LAMP FLASHER PNK WIRE WHT DK GRN/ WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOL 1.3 K V REF LO 2-3 SHIFT SOL 3-2 DOWNSHIFT SOL 4.5-7 MINUTES MAXIMUM. C-CLOSES WITH VEHICLE TOO LOW. 5 VOLTS REF 7 TO 15 OHMS 29 7 UART DATA DATA CLSS 2 PPL 29.6 29.6 790 K V REF HI 29.6 K 1074 1073 KEY RES IN KEY RES IN 1995 VFTC 4000 PULSES/MILE #1 #4 #5 #3 #2 #6 #7 (CENTER (IN TRANS. COOLER (LEFT REAR WHEEL- HOUSE, IN LUGGAGE (RIGHT KICK A/C CLUTCH CTRL A/C CLUTCH STATUS A/C COMPRESSOR CLUTCH A/C REQUEST SIG A/C SYSTEM ABS IND. ACT CNTRL AIR BAG IND AIR BAG WARNING INDIC ALL WAGON, BUICK SEDAN ALTERNATING FLASHER ANTI-THEFT SYSTEM AUDIBLE WARNINGS AUTO DAY/ NIGHT MIRROR AUTOMATIC DAY/ NIGHT MIRROR AUTOMATIC LEVEL CONTROL AIR COMPRESSOR AUTOMATIC TRANSMISSION AUXILIARY JUNCTION BOX B+ OUTPUT #2 OUTPUT #1 B+ SW SIG BASE OR W/ TWILIGHT SENTINEL BASE SEO BAT IGN ENABLE OUT BAT IGN ENABLE OUT RLY CNTRL IND CNTRL BEHIND KICKPAD) BLT SW BRAKE APPLIED SIGNAL SERIAL DATA LINE BRAKE IND BRAKE INPUT BUICK ONLY BUICK RADIO BUICK SEDAN BUICK SEDAN BUICK BUICK BUICK SEDAN CHEVY BUICK SEDAN ONLY BUICK SEDAN OPTIONAL BUICK SEDAN WAGON SEDAN BUICK W/ BUICK WAGON BUICK WAGON, CHEVY BUICK, IMPALA CABLE) CANISTER PURGE CTRL CHANGE OIL IND. CHANGE OIL IND. CTRL MIL IND. CTRL LOW OIL LVL CTRL OIL LVL INPUT CHECK GAGE IND. CHEVROLET BUICK CHEVY BUICK CHEVY CHEVY CHEVY RADIO CHEVY SEDAN CIGAR LIGHTER CIRCUIT BREAKER COAXIAL CABLE COMPARTMENT) COMPRESSOR SIGNAL CONN B CONTROL SIGNALS CONVENIENCE CENTER CONVENIENCE CONVENIENCE CENTER COOLANT TEMP GAGE COURTESY LAMPS CIRCUIT CRUISE CONTROL SYSTEM CRUISE CONTROL, SPEEDO, RADIO, WARNING ALARM, CRUISE IND CRUISE ON/OFF INPUT CRUISE STATUS D SEAT BELT SIR IND DEF HTR VENT DIM ENG/MET TRIP RESET VSS GND DIM SIGNAL DIST IGNITION FEED DIST REF LOW SIG DISTRIBUTOR LOW RES DK DK DK LT DN UP DOOR COURTESY LAMPS DOOR JAMB SWITCHES DOOR LOCKS SYSTEM DOWN UP DR SIDE HIGH DR SIDE LOW DR SW DRIVER INFLATOR MODULE DRIVER SEAT DRIVER SEAT ADJUSTER MEMORY MODULE DRIVER'S SEAT ADJUSTER MEMORY MODULE DUTY COOLING) ELECTRONIC CONTROLLED TRANSMISSION ELECTRONIC POWER STEERING SYSTEM END OF SWEEP INPUT ENG OIL LEVEL SENS SIG ENTIRE SEAT ENTIRE SEAT DOWN EVAPORATIVE EMISSION CANISTER PURGE EXCEPT IMPALA SS IMPALA SS EXPRESS DOWN MODULE EXTERIOR LAMPS EXTRA CAPACITY COOLING) FASTEN BELTS IND. FOR- WARD FOR- WARD BACK FROM PCM PPL FRONT HEIGHT FRONT HEIGHT FUEL ENABLE FUEL ENABLE SIG FUEL GAGE FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 FUEL INJECTOR 5 FUEL INJECTOR 6 FUEL INJECTOR 7 FUEL INJECTOR 8 FUEL INJECTORS FUSIBLE LINK A FUSIBLE LINK B FUSIBLE LINK C FUSIBLE LINK D GROUND CRANK PPL GROUND SIGNAL HEAD OFF HEAD ON HEADLIGHTS SYSTEM HI BEAM HI BEAM INPUT OUTPUT #1 HI MIST HIGH MOUNT STOPLAMP HIGH MOUNTED STOPLAMP HIGH RES HIGH RESOLUTION SIG HOT AT ALL TIMES HOT AT ALL TIMES RR DEFOG CIRCUIT BREAKER 4 HOT IN HOT IN ACC OR RUN HOT IN ACCY OR RUN HOT IN RUN HOT IN RUN OR START HOT IN START HTR MAX VENT NORM BI-LV BI-LV I/P CLUSTER IGN 1 IGN KEY IGNITION CTRL IGNITION IN IGNITION INPUT IGNITION KEY IGNITION POWER ILL ENT ILLUM ENTRY IMPALA SS PPL PPL IND CTRL INFLATABLE RESTRAINT DIAGNOSTIC ENERGY RESERVE MODULE INFLATABLE RESTRAINT DIAGNOSTIC ENERGY RESERVE MODULE PPL EXCEPT IMPALA SS INFLATOR MODULE PLATE INJ 1 CTRL INJ 2 CTRL INJ 3 CTRL INJ 4 CTRL INJ 5 CTRL INJ 6 CTRL INJ 7 CTRL INJ 8 CTRL INLET PIPE) INSIDE REAR VIEW INSIDE REARVIEW MIRROR INSTRUMENT CLUSTER INSTRUMENT CLUSTER DK INSTRUMENT CLUSTER SYSTEM INSTRUMENT PANEL DIMMER INTERFACE CIRCUIT JAMB SW LAMPS) LEFT BACKUP LIGHT LEFT FRONT HEATED OXYGEN LEFT FRONT TURN SIGNAL LEFT HEADLAMP LEFT INBOARD TAIL/TURN/ STOPLAMP LEFT INBOARD TAILLAMP LEFT OUTBOARD TAIL/TURN/ STOPLAMP LEFT OUTSIDE REARVIEW MIRROR LEFT RIGHT LEFT SUN- SHADE ILLUM- INATED MIRROR LEFT SUNSHADE ILLUMINATED MIRROR LEFT TAIL/ STOP/ TURN LAMPS LEFT TURN LEFT TURN IND LEFT TURN IND RIGHT TURN IND LEFT TURN, HAZARD LEFT UPPER TAIL/TURN/ STOPLAMP LEVEL TOO LOW FROM ACTU- ATOR ARM TOO HIGH LID OPEN LO HI LO PULSE LOW COOLANT IND LOW FUEL IND LOW OIL IND CTRL LOW OIL LEVEL IND LOW RESOLUTION SIG LOW WASHER FLUID IND LPS ON INPUT LPS ON WARNING INPUT LT DK LT FRT SPKR LT LT LT REAR SPKR LTS ON SIG MAX NORM MECHANICAL ARM MIL CONTROL MIL CTRL MIRROR DEFOGGER MIRROR SYSTEM MIST OFF NON SEO SEO NON SEO WAGON NORMAL HAZARD OFF HEAD PARK OFF LO PULSE OFF MAX MIN SENSITIVITY SETTINGS OFF ON OFF PARK OFF PARK HEAD OIL PRESS GAGE ON OUTPUT OPENS AT EXTREME DIM POSITION OUTPUT 2 OUTPUT 3 OUTPUT/ FIELD ENABLE P.S. CTRL MODULE PA SIDE LOW PA SIDE HIGH PANEL LIGHT PARK LPS CTRL PARK/NEUTRAL IN PASS KEY FAULT IND. PASSENGER INFLATOR MODULE PASSENGER SEAT PCM GROUND PCM GROUND CONN C PCM GROUND PPL VSS LO PCS HI PHOTOCELL INPUT PHOTOCELL INPUT DELAY IGNITION GROUND PNP SIG POWER DISTRIBUTION SYSTEM POWER RESET SOLID STATE POWER STEERING RESERVOIR PPL PPL PPL THEFT DETERRENT MODULE PPL VSS GROUND PPL VSS RETURN PPL WARNING SYSTEM PRI COOL FAN REL CTRL PROG IN PULSE WIDTH MODULATED OUTPUT PULSE WIDTH MODULATED OUTPUT CONTROL PWR RECL CIRCUIT BREAKER #1 PWR RECT CIRCUIT BREAKER 20 AMP PWR SEAT CIRCUIT BREAKER #3 PWR ST CIRCUIT BREAKER #3 PWR WDO CIRCUIT BREAKER 2 RADIO ANALOG DIM INPUT RADIO POWER RANGE SIGNAL "B" RANGE SIGNAL "C" REAR DEFOGGER GRID REAR GLASS CONTACTS REAR HEIGHT REAR HEIGHT FRONT HEIGHT FRONT HEIGHT REAR WINDOW DEFOGGER REF LOW RESET TO DAYTIME HIGH REFLECTIVITY IN REVERSE RESUME/ACCEL INPUT RIGHT BACKUP LIGHT RIGHT BACKUP LIGHT LEFT BACKUP LIGHT RIGHT FRONT HEATED OXYGEN RIGHT FRONT TURN SIGNAL RIGHT HEADLAMP RIGHT INBOARD TAIL/TURN/ STOPLAMP RIGHT INBOARD TAILLAMP RIGHT LEFT RIGHT LOWER TAIL/TURN/ STOPLAMP RIGHT OUTBOARD TAIL/TURN/ STOPLIGHT RIGHT OUTBOARD TAILLAMP RIGHT OUTSIDE REARVIEW MIRROR RIGHT SUN- SHADE ILLUM- INATED MIRROR RIGHT TURN RIGHT TURN IND RIGHT TURN, HAZARD RIGHT UPPER TAIL/TURN/ STOPLAMP RR DEFG CIRCUIT BREAKER #4 RT FRT SPKR RT REAR SPKR SEAT BELT/ IGNITION KEY/ LAMPS/ TURN SIGNAL ALARM SEATBELT/ IGNITION KEY/ LAMPS/ TURN SIGNAL ALARM SEC COOL FAN REL CTRL SEDAN WAGON SEDAN WITH SENS INPUT REF VOLT SEO AUX SEO BREAKER PANEL SEO BUICK SEDAN SEO EXCEPT SEO SEO ONLY SERIAL DATA SERIAL DATA CONN D SERIAL DATA LINE SET SW OFF SET/COAST INPUT SHORTING BAR SIGNAL RETURN SOLID STATE SOLID STATE TIMER SPARK PLUGS SPEED COMPENSATED VOLUME STARTING/ CHARGING SYSTEM STEERING WHEEL ROTATION SENSE STEERING WHEEL) STOP/ HZD SUPPLEMENTAL RESTRAINTS SYSTEM SW A SW B SW C TACH SIG TCC PWM SOL PPL CLASS II DATA TCC SOL TCC TEMP SENS IN TEMP GEN THEFT DETERRENT MODULE TO AUXILIARY JUNCTION BOX TO CUSTOMER INSTALLED ACCESSORIES TO FUSIBLE LINKS A, B TP SENS INPUT TRANS 1-2 SHIFT CTRL TRANS 2-3 SHIFT CTRL TRANS 3-2 SHIFT CTRL TRANS FLUID TEMP SIG TRANS PRESS CTRL SOL HI TRANS RANGE PRESS SW ASSY TRANS RANGE SIG B TRANS RANGE SIG C TRANS TCC CTRL TRANS TEMP SIG IN TRIP RESET TRK LPS TRUNK, TAILGATE, FUEL DOORS SYSTEM TURN PPL SIGNAL ALARM TURN SIGNAL FLASHER UART DATA UNDER- HOOD ELECTRICAL CENTER UNDERHOOD ELECTRICAL CENTER UP DOWN V REF LO VACUUM FLUORESCENT INDICATORS VEH SPD IN PPL TRN SIG ON VEHICLE SPEED ENABLE VEHICLE SPEED OUTPUT 4000 P/M VEHICLE SPEED OUTPUT 4000 PULSE/MILE VF SPEEDOMETER DISPLAY VF SPEEDOMETER DISPLAY DIM VF SPEEDOMETER DISPLAY LEFT TURN RIGHT TURN STEP DIM HIGH BEAM IGN 3 VOLT GAGE VSS HI CONN A VSS INPUT 4000 PULSES PER MILE VSS OUT VSS SIGNAL W/ AUO W/ AUO ONLY W/ DRL W/ DRL OR TWILIGHT SENTINEL W/ TWILIGHT SENTINEL W/KEYLESS ENTRY ONLY W/KEYLESS WAGON ENTRY W/O ALC W/ ALC W/O TWILIGHT SENTINEL BUICK WAGON ONLY WAGON SEDAN WARNING ALARM WARNING ALARM PPL WARNING SYSTEMS WASH SW WITH TWILIGHT SENTINEL OR DAYTIME RUNNING LAMPS