GMC Rally G3500 (1985-1996) brn Wiring diagrams

ABS IND. ABS MAXI FUSE 4 BLK WIRE BLK/ WHT WIRE BLK/WHT WIRE BRAKE FUSE 18 BRAKE IND BRAKE PRESSURE WARNING SWITCH BRAKE SW OUTPUT BRAKE/ BRN WIRE DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (LEFT FRONT SIDE OF FRAME) HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN OR START GAUGES FUSE 4 I/P FUSE BLOCK IGN ABS LAMP CONTROL BRAKE SW INPUT INLINE DIODE INSTRUMENT CLUSTER LEFT FRONT WHEEL SPEED SENSOR LFT FRT SENSOR (-) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE PARK BRAKE WARNING SWITCH PNK WIRE PPL PPL/WHT WIRE PUMP MOTOR POWER PUMP MOTOR GROUND RED WIRE RIGHT FRONT WHEEL SPEED SENSOR RT FRT SENSOR (-) LFT FRT SENSOR (+) RT FRT SENSOR (+) TAN WIRE TAN/WHT WIRE TCC/ STOPLAMP SWITCH (ABOVE BRAKE PEDAL) UNDERHOOD FUSE-RELAY CENTER VEHICLE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (LEFT SIDE OF TRANSMISSION) VEHICLE SPEED SIG VSS VSS SIG SERIAL DATA LINE SERIAL DATA SIGNAL BRAKE LAMP CONTROL EBCM GROUND W/O DRL W/DRL WHT TAN/ WIRE WHT WIRE YEL WIRE

4000 PULSES/MILE CRUISE STATUS BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE FUSE 18 STOP FUSE 1 BRN WIRE CRUISE CONTROL MODULE (FRONT OF ENGINE COMPT NEAR LEFT FENDER) CRUISE FUSE 6 CRUISE STATUS VEHICLE SPEED INPUT DK BLU WIRE DK GRN/WHT WIRE FUSE BLOCK GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN LT BLU/BLK WIRE LT GRN/BLK WIRE MULTIFUNCTION LEVER OFF ORG/ WIRE PPL PPL/WHT WIRE R/A S/C DK TCC/STOPLAMP BRAKE SWITCH (BELOW CENTER OF I/P) VEHICLE CONTROL MODULE (VCM) (IN ENGINE COMPT, ON LEFT FENDER) VEHICLE SPEED SENSOR (VSS) (LEFT SIDE OF TRANSMISSION) VSS RETURN VSS SIGNAL WHT WIRE

ABS IND. ABS MAXI FUSE 4 BLK WIRE BLK/WHT WIRE BRAKE FUSE 18 BRAKE IND BRAKE PRESSURE WARNING SWITCH BRAKE/ BRN WIRE DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (LEFT FRONT SIDE OF FRAME) HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN OR START GAUGES FUSE 4 I/P FUSE BLOCK IGN ABS LAMP CONTROL BRAKE SW INPUT INLINE DIODE INSTRUMENT CLUSTER LFT FRT SENSOR (-) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE PARK BRAKE WARNING SWITCH PNK WIRE PPL PPL/WHT WIRE PUMP MOTOR POWER PUMP MOTOR GROUND RED WIRE RIGHT FRONT WHEEL SPEED SENSOR RT FRT SENSOR (-) LFT FRT SENSOR (+) RT FRT SENSOR (+) TAN WIRE TAN/WHT WIRE TCC/ STOPLAMP SWITCH (ABOVE BRAKE PEDAL) UNDERHOOD FUSE-RELAY CENTER VEHICLE SPEED SENSOR (LEFT SIDE OF TRANSMISSION) LEFT FRONT WHEEL SPEED SENSOR VSS VSS SIG SERIAL DATA LINE SERIAL DATA SIGNAL BRAKE LAMP CONTROL EBCM GROUND W/O DRL W/DRL WHT TAN/ WIRE WHT WIRE YEL WIRE

BLK WIRE BLU WIRE BRAKE APPLIED INPUT BRAKE FUSE 18 STOP FUSE 1 BRN WIRE CRUISE FUSE 6 CRUISE ON INPUT DK BLU WIRE FUSE BLOCK GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN MULTIFUNCTION LEVER OFF ORG/ WIRE POWERTRAIN CONTROL MODULE (PCM) (BEHIND CENTER OF I/P) PPL PPL DISENGAGE INPUT R/A RESUME/ACCEL INPUT S/C DK SET/COAST INPUT TCC/STOPLAMP BRAKE SWITCH (BELOW CENTER OF I/P) VEHICLE SPEED BUFFER (BELOW LEFT SIDE OF I/P) VSS WHT WIRE

ABS IND. ABS MAXI FUSE 4 BLK WIRE BLK/ WHT WIRE BLK/WHT WIRE BRAKE FUSE 18 BRAKE IND BRAKE PRESSURE WARNING SWITCH BRAKE SW OUTPUT BRAKE/ BRN WIRE DK GRN WIRE ELECTRONIC BRAKE CONTROL MODULE (LEFT FRONT SIDE OF FRAME) HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN OR START GAUGES FUSE 4 I/P FUSE BLOCK IGN ABS LAMP CONTROL BRAKE SW INPUT INLINE DIODE INSTRUMENT CLUSTER LEFT FRONT WHEEL SPEED SENSOR LFT FRT SENSOR (-) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE PARK BRAKE WARNING SWITCH PNK WIRE PPL PPL/WHT WIRE PUMP MOTOR POWER PUMP MOTOR GROUND RED WIRE RIGHT FRONT WHEEL SPEED SENSOR RT FRT SENSOR (-) LFT FRT SENSOR (+) RT FRT SENSOR (+) TAN WIRE TAN/WHT WIRE TCC/ STOPLAMP SWITCH (ABOVE BRAKE PEDAL) UNDERHOOD FUSE-RELAY CENTER VEHICLE CONTROL MODULE (LEFT SIDE OF ENGINE COMPT) VEHICLE SPEED SENSOR (LEFT SIDE OF TRANSMISSION) VEHICLE SPEED SIG VSS VSS SIG SERIAL DATA LINE SERIAL DATA SIGNAL BRAKE LAMP CONTROL EBCM GROUND W/O DRL W/DRL WHT TAN/ WIRE WHT WIRE YEL WIRE

4000 PULSES/MILE CRUISE STATUS BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE FUSE 18 STOP FUSE 1 BRN WIRE CRUISE CONTROL MODULE (FRONT OF ENGINE COMPT NEAR LEFT FENDER) CRUISE FUSE 6 CRUISE STATUS VEHICLE SPEED INPUT DK BLU WIRE DK GRN/WHT WIRE FUSE BLOCK GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN RUN LT BLU/BLK WIRE LT GRN/BLK WIRE MULTIFUNCTION LEVER OFF ORG/ WIRE PPL PPL/WHT WIRE R/A S/C DK TCC/STOPLAMP BRAKE SWITCH (BELOW CENTER OF I/P) VEHICLE CONTROL MODULE (VCM) (IN ENGINE COMPT, ON LEFT FENDER) VEHICLE SPEED SENSOR (VSS) (LEFT SIDE OF TRANSMISSION) VSS RETURN VSS SIGNAL WHT WIRE

1995 VFTC BLK WIRE BRN WIRE CONVENIENCE CENTER (UNDER LEFT SIDE OF I/P) HEATED MIRROR SWITCH HEATER-A/C CONTROL HOT AT ALL TIMES HOT IN HTR A/C FUSE 12 HTR MIR FUSE 2 I/P FUSE BLOCK LEFT POWER OUTSIDE REAR VIEW MIRROR ORG/ WIRE RIGHT POWER OUTSIDE REAR VIEW MIRROR RUN WIRE SOLID STATE TIMER W/ UPLIFTER PROVISIONS ONLY

A/C COMPRESSOR CLUTCH RELAY BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE CAMSHAFT POSITION SENSOR (PART OF DISTRIBUTOR, TOP REAR OF ENGINE) COIL DK BLU WIRE DK BLU/WHT WIRE DK GRN/WHT WIRE DK PNK WIRE EGR SOL OUTPUT SIGNAL SIGNAL SIGNAL SIGNAL FUEL INJ OUT NO.1 SHIFT SOL B OUTPUT GRN WIRE GRY WIRE KNOCK SENS SIGNAL KNOCK SENSOR (TOP REAR OF ENGINE) LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE LT LT LT PPL MAP SENS SIGNAL SIGNAL SENSOR SIGNAL SENSOR SIGNAL 472 410 NCA WIRE PNK 12 13 14 15 16 WIRE PNK PNK PNK PNK PNK 1 2 3 4 5 6 7 WIRE PNK PPL WIRE PNK WIRE PNK/BLK WIRE PPL PPL PNK WIRE PPL PPL PPL RETURN RETURN SIGNAL SIGNAL PPL/WHT WIRE RED/BLK WIRE RETURN RETURN RETURN RETURN RETURN SHIFT SOL A OUTPUT TCC SOL OUTPUT SIGNAL IGNITION FUEL INJ OUT NO.8 PNK WIRE SOLENOID OUTPUT SHIFT SOLENOID OUTPUT SOLID STATE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC SOL OUTPUT UNDERHOOD FUSE-RELAY CENTER VEHICLE CONTROL MODULE (ENGINE COMPARTMENT, LEFT FENDER) VEHICLE SPEED SENSOR (LEFT SIDE OF TRANSMISSION) VSS SIGNAL WHT WIRE YEL WIRE YEL/BLK WIRE

4-SPEED TRANS. ONLY 5 6 7 8 9 10 PNK PNK PNK PNK WIRE AUTOMATIC TRANSMISSION BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE DK BLU WIRE DK BLU/WHT WIRE ECM-1 MINI FUSE ENG-1 MINI FUSE EXHAUST GAS RECIRCULATION VALVE SOLENOID (TOP FRONT OF ENGINE) FORCE MOTOR FEED SHIFT SOLENOID "B" FORCE MOTOR RETURN IGNITION FUEL INJ. NO.1 FUEL INJ. NO.2 FUEL INJ. NO.3 FUEL INJ. NO.4 FUEL INJ. NO.5 FUEL INJ. NO.6 FUEL INJ. NO.7 FUEL INJ. NO.8 GRN WIRE GRY WIRE HOT IN RUN OR START LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT PNK WIRE NCA WIRE PNK 1 2 WIRE PNK 12 13 14 15 16 WIRE PNK LT WIRE PNK PNK PNK PNK PNK WIRE PNK WIRE PNK/BLK WIRE PPL PPL PNK WIRE PSS SIGNAL BIT 1 TEMP SENSOR SIGNAL PSS SIGNAL BIT 2 PSS SIGNAL BIT 3 RED WIRE RED/BLK WIRE SHIFT SOLENOID A TAN WIRE TAN/BLK WIRE TCC SOLENOID OUTPUT TRANS.) UNDER HOOD FUSE-RELAY CENTER WHT WIRE YEL WIRE YEL/BLK WIRE

19 20 PNK WIRE 5 6 7 8 9 10 PNK PNK PNK PNK WIRE A/C COMPRESSOR HIGH PRESSURE CUTOFF SWITCH (ON REAR PORTION OF A/C COMPRESSOR) BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE BRN/WHT WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM-B MINI FUSE ENGINE COOLANT TEMPERATURE GAUGE SENSOR (TOP FRONT OF ENGINE) EVAP CANISTER PURGE VACUUM DIAGNOSTIC SWITCH (RIGHT SIDE OF ENGINE) FUEL PUMP PRIME CONNECTOR FUEL PUMP RELAY FUEL PUMP SWITCH, ENGINE OIL PRESSURE GAUGE SENSOR FUEL PUMP, SENDER (PUMP SHOWN) (IN FUEL TANK UNDER REAR OF VEHICLE) GAUGES FUSE 4 GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN, START, OFF I/P FUSE BLOCK INSTRUMENT CLUSTER LT BLU/WHT WIRE LT GRN WIRE MALFUNCTION INDICATOR LAMP (MIL) "SERVICE ENGINE SOON" MANIFOLD ABSOLUTE PRESSURE SENSOR (TOP RIGHT SIDE OF ENGINE) MASS AIR FLOW SENSOR (PART OF AIR INTAKE DUCT, TOP FRONT OF ENGINE) OIL PRESSURE GAUGE INPUT ORG/ WIRE PNK PNK 1 2 3 4 5 6 7 8 9 10 11 WIRE PNK WIRE RED WIRE RED/BLK WIRE SPEEDOMETER/ ODOMETER INPUT TAN WIRE TAN/WHT WIRE THROTTLE POSITION SENSOR (TOP LEFT SIDE OF ENGINE) TRANS FUSE 20 UNDERHOOD FUSE-RELAY CENTER WHT WIRE YEL WIRE