GMC Rally G3500 (1985-1996) fuse block Wiring diagrams

1995 VFTC BLK WIRE BLU WIRE BRAKE FUSE BRAKE IND BRAKE PRESSURE MODULATOR VALVE (UNDER RIGHT SIDE OF VEHICLE, AT FRAME RAIL) BRAKE PRESSURE WARNING SWITCH (REAR OF BRAKE MODULATOR VALVE) BRAKE WARN IND BPMV GND COLUMN) DATA LINK CONNECTOR (BELOW STEERING DAYTIME RUNNING LAMPS MODULE (LEFT SIDE OF I/P) IGNITION SWITCH DIODE ARRAY MODULE (UNDER LEFT SIDE OF I/P) DK GRN WIRE FUSE BLOCK FUSIBLE LINK (16 GA-RUST) GAUGES FUSE GRN WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN, BULB TEST OR START I/P IGN FEED ABS IND BRAKE SW INSTRUMENT CLUSTER LEFT FRONT WHEEL SENSOR LF SENSOR LO RF SENSOR LO LT BLU WIRE NCA WIRE PARK BRAKE SWITCH PNK WIRE PNK/WHT WIRE PPL PUMP MOTOR PWR PUMP MOTOR GND RED WIRE RF SENSOR HI LF SENSOR HI RIGHT FRONT WHEEL SENSOR TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC/BRAKE SWITCH (ON BRAKE PEDAL SUPPORT BRACKET) PPL VEHICLE SPEED IN DIAG REQUEST VEHICLE SPEED OUTPUT VEHICLE SPEED SENSOR BUFFER (ON PARKING BRAKE SUPPORT BRACKET) WHT WIRE YEL WIRE

AUXILIARY COOLING FAN AUXILIARY COOLING FAN PRESSURE SWITCH (RIGHT SIDE OF ENGINE) AUXILIARY COOLING FAN RELAY (TOP LEFT SIDE OF SHIPPING PANEL) AUXILIARY COOLING FAN TEMPERATURE SWITCH (RIGHT SIDE OF ENGINE) BLK WIRE BLK/RED WIRE DK GRN WIRE FUSE BLOCK GAUGES FUSE HOT AT ALL TIMES FUSIBLE LINK HOT IN RUN PNK/WHT WIRE RED WIRE

BATTERY BRAKE CRUISE SW BLK WIRE BLK/WHT WIRE CONVENIENCE CENTER CRUISE CONTROL BRAKE SWITCH CRUISE CONTROL MODULE CRUISE CONTROL SWITCH CRUISE INPUT DK BLU WIRE DK GRN WIRE FUSE BLOCK GAGE FUSE GRY WIRE HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START INSTRUMENT CLUSTER SYSTEM LT GRN WIRE OFF ON/OFF SW SET/COAST RESUME/ACCEL BRAKE SW IN ORG/ WIRE PCM STATUS VEHICLE SPD SENS PNK/WHT WIRE POWERTRAIN CONTROL MODULE (BEHIND RIGHT KICK PANEL) PPL R/A S/C STOP LAMP SWITCH (ON BRAKE PEDAL SUPPORT) STOP/ HAZ FUSE VEHICLE SPEED SENSOR VEHICLE SPEED SENSOR BUFFER (ON PARKING BRAKE SUPPORT BRACKET) SOLID STATE WHT WIRE YEL WIRE

BLK WIRE BRK SW INPUT BRN WIRE CRUISE CONTROL BRAKE SWITCH (ON BRAKE PEDAL SUPPORT) CRUISE CONTROL MODULE (BEHIND LEFT SIDE OF SHIPPING PANEL) CRUISE CONTROL SWITCH DK BLU WIRE DK GRN WIRE FUSE BLOCK GAGES FUSE GROUND GRY WIRE GRY/BLK WIRE HOT IN RUN OR START IGN NCA WIRE ON OFF ON/OFF INPUT PNK/BLK WIRE R/A R/A INPUT S/C S/C INPUT VEHICLE SPEED SENSOR BUFFER (LEFT SIDE OF SHIPPING PANEL) VSS INPUT

ALT FUSE BLK WIRE BRK SW INPUT BRN WIRE CRUISE CONTROL ACTIVATOR CRUISE CONTROL BRAKE SWITCH (ON BRAKE PEDAL SUPPORT) CRUISE CONTROL MODULE (BEHIND LEFT SIDE OF SHIPPING PANEL) DK BLU WIRE DK GRN WIRE FUSE BLOCK GROUND GRY WIRE HOT IN RUN OR START IGN ON OFF ON/OFF INPUT PNK/BLK WIRE R/A R/A INPUT S/C S/C INPUT TAN WIRE VEHICLE SPEED SENSOR BUFFER (LEFT SIDE OF SHIPPING PANEL) VSS INPUT

1995 VFTC BLOWER MOTOR BLOWER RESISTOR (ENGINE COMPARTMENT, ON RIGHT COWL) BRN WIRE FUSE BLOCK HEATER BLOWER SWITCH HOT IN RUN HTR A/C FUSE LO MED LT BLU WIRE OFF HI ORG/ WIRE YEL WIRE

1995 VFTC AUX HTR A/C FUSE BLK WIRE BRN WIRE FUSE BLOCK HOT IN RUN LT BLU WIRE MED LO OFF REAR AUXILIARY HEATER BLOWER MOTOR REAR BLOWER SWITCH WHT WIRE YEL WIRE

1995 VFTC 23 24 PNK WIRE 4.3L AND 5.7 W/O HD 452 455 PPL 5.7 HD AIR CONDITIONING SYSTEM BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE BRN/WHT WIRE CRUISE CONTROL SYSTEM CRUISE IND REG GRD DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE DLC THROTTLE POSITION SIGNAL LO SIDE INJ A ECM I FUSE ECM-B FUSE EGR ELECTRONIC VACUUM REGULATOR SOLENOID VALVE (TOP RIGHT SIDE OF ENGINE) EGR VALVE SOLENOID TRANS SHIFT 2/3 SOLENOID ELEC FUEL PUMP IN MAP SENSOR IN ENGINE COOLANT TEMP SENS EVAP CONTROL EVAPORATIVE CANISTER PURGE SOLENOID (TOP RIGHT OF ENGINE) EXHAUST GAS RECIRCULATION VALVE SOLENOID (TOP RIGHT SIDE OF ENGINE) FUEL PUMP RELAY DRIVE PCM TRANS FORCE MTR LO FUSE BLOCK GRY WIRE HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START IDLE AIR CONTROL UNIT (RIGHT SIDE OF THROTTLE BODY) IGNITION BYPASS KNOCK SENSOR IN LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE ORG/ WIRE ORG/BLK WIRE OXYGEN SENSOR LO PCM TO TRANS TEMP SENSOR PCM TRANS RANGE A PCM TRANS RANGE B PCM TRANS RANGE C MIL INDICATOR CTRL PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (BEHIND RIGHT KICK PANEL) PPL PPL 1 2 3 4 PPL 21 22 PPL/WHT WIRE RED WIRE RED/BLK WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE THROTTLE BODY FUEL INJECTOR #1 (TOP OF THROTTLE BODY UNIT) THROTTLE BODY FUEL INJECTOR #2 (TOP OF THROTTLE BODY UNIT) TRANS FUSE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1995 VFTC 23 24 PNK WIRE 3 121 PNK WIRE 4.3L ONLY ACCY AUXILIARY FUSE BLOCK BLK WIRE BLK/RED WIRE BLK/YEL WIRE BRAKE FUSE BRN WIRE BRN/WHT WIRE BULB TEST DISTRIBUTOR (CENTER REAR OF ENGINE) DK BLU WIRE DK GRN/WHT WIRE ENGINE COOLANT TEMPERATURE SENSOR (ON INTAKE MANIFOLD) FUSE BLOCK GAGES FUSE GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN, BULB TEST OR START IGNITION COIL (TOP RIGHT REAR OF ENGINE) IGNITION SWITCH INSTRUMENT CLUSTER KNOCK SENSOR (LEFT REAR OF ENGINE, NEAR OIL PRESSURE SENDER) LOCK OFF LT BLU/WHT WIRE LT GRN WIRE MALFUNCTION (SERVICE ENGINE SOON) INDICATOR MANIFOLD ABSOLUTE PRESSURE SENSOR (ABOVE VALVE COVER) NCA WIRE ORG/BLK WIRE PNK WIRE PNK/BLK WIRE PNK/WHT WIRE PPL PPL 1 2 3 4 PPL 21 22 PPL 3 4 PPL/WHT WIRE RED WIRE RED/BLK WIRE RUN WIRE TACHOMETER TEST LEAD TAN/BLK WIRE TCC/BRAKE SWITCH (ON BRAKE PEDAL SUPPORT BRACKET) THROTTLE POSITION SENSOR (ON THROTTLE BODY) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1995 VFTC 4.3L AND 5.7L 4.3L AND 5.7L ONLY 5.7L HD ONLY 452 455 PPL 5.7L HD 7.4L 7.4L ONLY AIR CONDITION- ING SYSTEM BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BRN WIRE BRN/WHT WIRE CRUISE CONTROL SYSTEM CRUISE SIGNAL DIAGNOSTIC TEST TP SENSOR SIGNAL INJECTOR 1 CONTROL DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DK GRN/YEL WIRE ECM I FUSE ECM B FUSE ECT SIGNAL EGR CONTROL GOVERNOR CONTROL EGR ELECTONIC VACUUM REGULATOR SOLENIOD VALVE (TOP RIGHT SIDE OF ENGINE) EVAPORATIVE CANISTER PURGE CONTROL SOLENOID (TOP RIGHT FRONT OF ENGINE) EXHAUST GAS RECIRCULATION VALVE SOLENOID (TOP RIGHT SIDE OF ENGINE) FUEL PUMP RELAY CTRL PCS LOW FUEL PUMP SIGNAL MAP SIGNAL FUSE BLOCK GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN RUN, BULB TEST OR START IC BYPASS SENSOR GROUND SENSOR GROUND TFT SIGNAL IDLE AIR CONTROL UNIT (RIGHT SIDE OF THROTTLE BODY) IDLE SPEED ACTUATOR CONTROL SOLENOID (NO LOCATION AVAILABLE) KNOCK SIGNAL EGR PINTLE POSITION SIGNAL LINEAR EGR VACUUM REGULATOR SOLENOID VALVE (ABOVE RIGHT ROCKER COVER) LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE NCA WIRE ORG/ WIRE ORG/BLK WIRE OXYGEN SENSOR (IN EXHAUST MANIFOLD) OXYGEN SENSOR GROUND PNK 23 24 PPL WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (BEHIND RIGHT KICK PANEL) PPL PPL 21 22 PPL/WHT WIRE RANGE SIGNAL A INPUT SPEED SIGNAL HIGH INPUT SPEED SIGNAL LOW RANGE SIGNAL B RANGE SIGNAL C MIL CONTROL RED WIRE RED/BLK WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE THROTTLE BODY FUEL INJECTOR #1 (TOP OF THROTTLE BODY UNIT) THROTTLE BODY FUEL INJECTOR #2 (TOP OF THROTTLE BODY UNIT) TRANS FUSE TRANSMISSION INPUT SPEED SENSOR (NO LOCATION) WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE