GMC Rally G3500 (1985-1996) wht Wiring diagrams

1-2 SHIFT SOL 1-2 SHIFT SOLENOID 2-3 SHIFT SOL 2-3 SHIFT SOLENOID A/T ISS SENS HI IN A/T ISS SENS LO IN ACCELERATOR PEDAL POSITION (APP) MODULE (THROTTLE PEDAL MOUNT) APP 1 SIGNAL IN APP 2 SIGNAL IN APP 3 SIGNAL IN AUTO TRANSMISSION INPUT SHAFT SPEED SENSOR (INSIDE FRONT OF TRANSMISSION) AUTOMATIC TRANSMISSION BATTERY IN BLK WIRE BLK/WHT WIRE BRAKE FUSE 18 BRAKE SWITCH ASSEMBLY (ON BRAKE PEDAL BRACKET) BRAKE SWITCH IN BRN WIRE BRN/WHT WIRE CLASS II DATA DIESEL FUEL FUSE DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ECM-B FUSE ECT SENSOR IN ENGINE COOLANT TEMP SENSOR (TOP FRONT OF ENGINE) GAUGES FUSE 4 GROUND GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN OR START HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK IGNITION IN INSTRUMENT CLUSTER LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE MALFUNCTION INDICATOR LAMP MIL CONTROL ORG/ WIRE PCM GROUND PCS SOL HI OUT PCS SOL LO OUT PNK POWER WIRE PNK WIRE POWERTRAIN CONTROL MODULE (BEHIND CENTER OF DASH) PPL PPL DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) PPL/WHT WIRE PRESS CTRL HI SOLENOID RED WIRE RED/BLK WIRE SENSOR GROUND STOP FUSE 1 STOPLAMP SWITCH IN TAN/WHT WIRE TCC PWM SOL TCC PWM SOLENOID TFT SENSOR IN TRANS FLUID TEMP SENSOR TRANS FUSE 20 TRANS RANGE "A" TRANS RANGE "B" TRANS RANGE "C" TRANS RANGE PRESSURE SWITCH ASSEMBLY UNDERHOOD FUSE/RELAY CENTER VEHICLE SPEED SENSOR (VSS) BUFFER (LEFT SIDE OF DASH) VSS HI IN VSS IN VSS LO IN VSS OUT WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOL TCC SOL 2-3 SHIFT SOL ACCELERATOR PEDAL POSITION (APP) MODULE (TOP OF ACCEL- ERATOR BRACKET) APP #3 APP #3 SENSOR SIG APP 1 APP 2 BATTERY JUNCTION BLOCK BLK PNK/ WIRE BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE BRN/WHT WIRE DATA LINK CONNECTOR (BELOW LEFT SIDE OF DASH) DK BLU WIRE DK GRN WIRE ECM 1 FUSE ENGINE COOLANT TEMPERATURE (ECT) SENSOR (FRONT OF LEFT CYLINDER HEAD) FUSIBLE LINK (20 GA- GAUGES FUSE GRY WIRE HOT AT ALL TIMES HOT IN RUN OR START HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK IGNITION FEED 3-2 CONTROL SOL DIAGNOSTIC REQUEST INSTRUMENT CLUSTER LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (RIGHT KICK PANEL) PPL PPL TCC/BRAKE SW PPL/WHT WIRE PRESSURE CONTROL SOLENOID RANGE MODE SELECTOR RED WIRE RED/BLK WIRE SERVICE ENGINE SOON INDIC SPEED SENSOR (LEFT REAR SIDE OF TRANSMISSION) TAN WIRE TAN/BLK WIRE TCC/STOP LAMP SWITCH (ON BRAKE PEDAL SUPPORT BRACKET) TRANS FLUID TEMP (TFT) SENSOR 3-2 SHIFT SOL TRANS FUSE 20 TRANSMISSION VEHICLE SPEED SENSOR BUFFER (PARKING BRAKE SUPPORT BRACKET) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOL 3-2 SOL 2-3 SHIFT SOL BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE DATA LINK CONNECTOR (UNDER LEFT SIDE OF DASH) DK BLU WIRE DK BLU/WHT WIRE ECM I FUSE ECM-B FUSE ENGINE SPEED SENSOR (TOP CENTER OF ENGINE) FUSE BLOCK GAUGES FUSE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN RUN OR START INSTRUMENT CLUSTER LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE ORG/BLK WIRE PNK RANGE SIGNAL A RANGE SIGNAL B RANGE SIGNAL C WIRE PNK WIRE PNK/BLK WIRE PPL PPL/WHT WIRE RANGE MODE SELECTOR PRESSURE CONTROL SOLENOID RED WIRE RED/BLK WIRE SERVICE TRANSMISSION INDICATOR SYSTEM GROUND SYSTEM GROUND 452 416 SENSOR GROUND 5 VOLTS REF TAN/WHT WIRE TCC/BRAKE SWITCH (BRAKE PEDAL BRACKET) THROTTLE POSITION SENSOR (RIGHT SIDE OF THROTTLE BODY) TRANS FUSE TRANS- MISSION TEMP SENSOR TRANSMISSION TRANSMISSION CONTROL MODULE (TCM) (RIGHT KICK PANEL) TRANSMISSION INPUT SHAFT SPEED SENSOR (LEFT FRONT SIDE OF TRANSMISSION) VEHICLE SPEED SENSOR (REAR OF TRANSMISSION) VEHICLE SPEED SENSOR BUFFER VEHICLE SPD OUTPUT VSS INPUTS WHT WIRE WHT/BLK WIRE YEL/BLK WIRE

BATTERY JUNCTION BLOCK (LEFT SIDE OF COWL) BLK WIRE FRONT DOME LAMP FUSE BLOCK- I/P FUSIBLE LINK (20 GA-RUST) HEADLIGHT SWITCH DOME SWITCH HORN/DM FUSE HOT AT ALL TIMES IN LINE UNDERHOOD LAMP FUSE KEYLESS ENTRY MODULE LEFT DOOR JAMB SWITCH OPTIONAL ORG/ WIRE REAR DOME LAMP RED WIRE RIGHT DOOR JAMB SWITCH SIDE DOOR JAMB SWITCH UNDERHOOD LAMP W/KEYLESS ENTRY W/O KEYLESS ENTRY WHT WIRE

1995 VFTC BLK WIRE CONTROL AREA DELAY/ SPEED/ WASH CONTROL FUSE BLOCK FUSIBLE LINK GRY WIRE HOT IN ACCY OR RUN IGN MIST NCA WIRE OFF PARK SWITCH PNK WIRE PPL PULSE WASH SWITCH WHT WIRE WINDSHIELD WASHER PUMP (LEFT KICK PANEL) (CENTER OF I/P) WINDSHIELD WIPER MOTOR MODULE WINDSHIELD WIPER/ WASHER SWITCH WIPER FUSE

1995 VFTC BLK WIRE CONTROL AREA DELAY/ SPEED/ WASH CONTROL FUSE BLOCK FUSIBLE LINK GRY WIRE HOT IN ACCY OR RUN I/P GROUND (IN I/P HARNESS) IGN MIST OFF ORG/ WIRE PARK SWITCH PNK WIRE PPL PULSE WASH PULSE SWITCH WHT WIRE WINDSHIELD WASHER PUMP WINDSHIELD WIPER MOTOR MODULE WINDSHIELD WIPER/ WASHER SWITCH WIPER FUSE

1995 VFTC ACCY BLK WIRE BRN WIRE BULB TEST BUS BAR GROUND DAYTIME RUNNING LAMP INDICATOR DAYTIME RUNNING LAMPS MODULE (ON LEFT SIDE OF I/P) DAYTIME RUNNING LAMPS RELAY (ON LEFT SIDE OF I/P) DIODE ARRAY MODULE (UNDER LEFT SIDE OF I/P) DK BLU/WHT WIRE DK GRN WIRE DRL FUSE FOG LAMP ON INDICATOR FOG LAMP RELAY (BEHIND LEFT SIDE OF I/P) FOG LAMP SWITCH ILLUM LAMP FUSE BLOCK GAGES FUSE GRN WIRE GROUND GRY WIRE HEAD PARK HEADLAMP DIMMER SWITCH HEADLIGHT SWITCH ASSEMBLY HI BEAM INDICATOR HI HI LO LO HORN/DIM FUSE HOT AT ALL TIMES HOT IN RUN OR START IGNITION SWITCH INSTR LPS FUSE INSTRUMENT CLUSTER LEFT HEADLAMP ASSEMBLY RIGHT HEADLAMP ASSEMBLY LOCK OFF LT GRN WIRE LT GRN/BLK WIRE LT LT NCA WIRE OFF OFF HEAD ORG/ WIRE PARK PARK BRAKE SWITCH (ON PARK BRAKE PEDAL SUPPORT) PNK/BLK WIRE PPL PPL/WHT WIRE RIGHT FOG LAMP LEFT FOG LAMP RUN WIRE TAN WIRE TAN/WHT WIRE VARIABLE VOLTAGE W/ HEADLIGHT SWITCH IN PARK OR HEAD, RHEOSTAT ADJUSTED WHT WIRE YEL WIRE

ACC RADIO FUSE ACCY ACCY BULB TEST LOCK ACCY BULB TEST LOCK OFF AUTO APPLY PARK BRAKE AUX CB AUX CIRCUIT BREAKER HTR FUSE AUXILIARY COOLING FAN RELAY AUXILIARY COOLING FAN RELAY DAYTIME RUNNING LAMPS BATTERY BATTERY JUNCTION BLOCK BLK WIRE BLK/RED WIRE BRAKE WARNING ALARM BUZZER BRN WIRE BULB TEST DAYTIME RUNNING LAMPS RELAY DAYTIME RUNNING LAMPS MODULE DK GRN WIRE FROM PANEL DIMMER SWITCH ASSEMBLY (INTERIOR LIGHTS SYSTEM) FUEL PUMP RELAY FUEL PUMP OIL PRESSURE SWITCH HAZARD FLASHER FUSE BLOCK FUSIBLE FUSIBLE LINK GENERATOR GRY WIRE HEADLIGHT SWITCH HORN RELAY HORN/DM I/P CLUSTER BRAKE PRESSURE WARNING SWITCH IGNITION SWITCH INSTRUMENT CLUSTER LINK LOCK OFF LPS BUS GAGES FUSE INSTR-LPS FUSE OFF ORG/ WIRE PARK BRAKE WARNING SWITCH PCM PNK WIRE PNK/ WHT WIRE PNK/BLK WIRE PNK/WHT WIRE POWERTRAIN CONTROL MODULE PPL PWR ECM-BAT CIRCUIT BREAKER FUSE RED WIRE RELAY RUN WIRE SHUNT STARTER MOTOR STOP- HZ FUSE STOPLAMP SWITCH TAIL LPS FUSE FUSE TAN/WHT WIRE TO ALT, ECM-CRNK, TURN-B/U, TRANS, INJ FUSES AND IGNITION COIL TRANSMISSION POSITION INDICATOR LAMP WHT WIRE WINDSHIELD WIPER MOTOR WIPER SWITCH MODULE WIPER FUSE YEL WIRE

1995 VFTC ALT FUSE AUDIO ALARM MODULE BACKUP LAMP SWITCH CONVENIENCE CENTER CRUISE CONTROL ACTIVATOR CRUISE CONTROL BRAKE SWITCH CRUISE CONTROL MODULE DK BLU WIRE ECM-CRNK FUSE ELECTRONIC 4-SPEED AUTOMATIC OVERDRIVE TRANSMISSION EVAPORATIVE CANISTER PURGE SOLENOID FUSE BLOCK GENERATOR IDLE SPEED CONTROL ACTUATOR IGNITION COIL IGNITION SWITCH INJ FUSE INJECTOR 1 INJECTOR 2 INSTRUMENT CLUSTER LINEAR EGR SOLENOID VALVE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (PCM) RED WIRE TCC/ STOPLAMP SWITCH TRANS FUSE TURN SIGNAL FLASHER TURN-B/U FUSE VEHICLE SPEED SENSOR BUFFER WHT WIRE

1995 VFTC FUSE BLOCK HOT IN ACCY OR RUN WHT WIRE WIPER FUSE WIPER MOTOR CONNECTOR