GMC Vandura P3500 (1985-1997) service engine soon ind Wiring diagrams

29 30 VSS RTN VSS SIG 450 (A/T) ANTI-LOCK BRAKES SYSTEM BLK WIRE BLU WIRE BRN WIRE BRN/WHT WIRE COOLANT TEMPERATURE GAUGE CYLINDER HEAD) DIESEL DAYTIME RUNNING LAMPS CONTROL MODULE (NEAR STEERING COLUMN) DAYTIME RUNNING LIGHTS IND DIESEL DIODE NETWORK (15 CM FROM I/P FUSE BLOCK) DK BLU WIRE DK GRN WIRE ECM 1 FUSE ELECTRONIC BRAKE CONTROL MODULE (BELOW RADIATOR) ENG 1 FUSE ENGINE CONTROLS SYSTEM (DIESEL ONLY) ENGINE CONTROLS SYSTEM (GASOLINE ONLY) ENGINE COOLANT LEVEL SWITCH (DIESEL ONLY) (LOWER LEFT END OF SURGE TANK) ENGINE COOLANT TEMPERATURE GAUGE SENDER (LEFT SIDE OF ENGINE) ENGINE OIL PRESSURE GAUGE SENDER (TOP LEFT REAR OF ENGINE) FASTEN BELTS FUEL GAUGE FUEL PUMP SWITCH, ENGINE OIL PRESSURE GAUGE SENSOR (TOP LEFT REAR OF ENGINE) FUEL SENDER (TOP OF FUEL TANK) FUEL SENDER, FUEL PUMP (TOP OF FUEL TANK) GASOLINE GASOLINE DIESEL GASOLINE W/ A/T ONLY GAUGES FUSE GLOW PLUGS IND. (DIESEL) GRY WIRE HEADLIGHTS SYSTEM (W/ DRL) WARNING SYSTEM HI-BEAM IND HOT AT ALL TIMES HORN DM FUSE HOT IN RUN OR START I/P FUSE BLOCK I/P FUSE PANEL IGN IGN FEED IND CTRL GND IGNITION SWITCH ILLUMINATION LAMPS IND INSTRUMENT CLUSTER LEFT TURN IND LOCK OFF ON LOW COOLANT IND. (DIESEL) LOW FLOW LOW PRES. LT BLU WIRE LT BLU/BLK WIRE LT GRN WIRE LT GRN/BLK WIRE LT LT PPL M/T A/T NCA WIRE OIL PRESSURE GAUGE P/B BOOSTER FLUID FLOW INDICATOR/ ALARM SWITCH PARK BRAKE IN PARK BRAKE IND PARK BRAKE INDICATOR SWITCH (PARK BRAKE SUPPORT BRACKET) PNK WIRE PPL PPL DIESEL PPL/WHT WIRE RESISTOR RIGHT TURN IND SERVICE BRAKE IND SERVICE ENGINE SOON IND SERVICE TRANSMISSION IND. SPEEDOMETER SW SENSE TAN WIRE TAN/WHT WIRE TRANSMISSION CONTROL MODULE (LEFT BULKHEAD) TWISTED PAIR VEHICLE CONTROL MODULE (ON LEFT RADIATOR SUPPORT) VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VEHICLE SPEED SENSOR BUFFER (DIESEL ONLY) (BEHIND LEFT SIDE OF I/P) VEHICLE SPEED SIG VOLTMETER VSS OUT VSS RTN GND IGN 150 (M/T) PNK WIRE VSS SIG VSS OUT W/ DRL W/ DRL HEADLIGHTS SYSTEM TRANSMISSIONS SYSTEM INTERIOR LIGHTS SYSTEM W/ W/O WATER IN FUEL IND. (DIESEL) WATER-IN-FUEL SENSOR (DIESEL ONLY) (REAR OF INTAKE MANIFOLD) WHT (OR LT GRN) WIRE WHT (OR WIRE WHT WIRE YEL WIRE YEL/BLK WIRE

29 30 VSS RTN VSS SIG ABS IND. AUTO PARK IND. BLK WIRE BLU WIRE BRN WIRE BRN/WHT WIRE COOLANT TEMPERATURE GAUGE DAYTIME RUNNING LAMPS CONTROL MODULE (NEAR STEERING COLUMN) DAYTIME RUNNING LIGHTS IND DIESEL DK DIODE NETWORK DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM 1 FUSE ELECTRONIC BRAKE CONTROL MODULE (ON ABS CROSS MEMBER) ENGINE CONTROLS SYSTEM ENGINE CONTROLS SYSTEM (DIESEL ONLY) ENGINE CONTROLS SYSTEM HEADLIGHTS SYSTEM (W/ DRL) WARNING SYSTEM ENGINE COOLANT LEVEL SWITCH (DIESEL ONLY) (LOWER LEFT END OF SURGE TANK) ENGINE OIL PRESSURE GAUGE SENDER (TOP LEFT REAR OF ENGINE) FASTEN BELTS FUEL GAUGE FUEL PUMP SWITCH, ENGINE OIL PRESSURE GAUGE SENSOR (FRONT LEFT SIDE OF ENGINE) GAGES FUSE GASOLINE GLOW PLUGS IND. (DIESEL) GND IGN FEED IND CTRL PNK WIRE GRN WIRE GRY WIRE HOT IN HOT IN RUN OR START I/P FUSE BLOCK ENG-1 FUSE IGNITION SWITCH ILLUMINATION LAMPS IND INSTRUMENT CLUSTER LEFT TURN IND LOCK OFF ON LOW COOLANT IND. (DIESEL) LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE OIL PRESSURE GAUGE PARK BRAKE IN PARK BRAKE IND PARK BRAKE INDICATOR SWITCH (PARK BRAKE BRACKET SUPPORT) PNK PNK WIRE PNK WIRE PPL PPL PPL PPL/WHT WIRE PROVISION FOR BODY BUILDER RED WIRE RIGHT TURN IND. HI BEAM IND. RUN WIRE SERVICE ENGINE SOON IND SERVICE THROTTLE SOON IND (DIESEL) SPEEDOMETER TAN WIRE TAN/WHT WIRE TWISTED PAIR VEHICLE CONTROL MODULE VEHICLE SPEED SENSOR (LEFT REAR SIDE OF TRANSMISSION) VEHICLE SPEED SENSOR BUFFER VOLTMETER VSS (LO) VSS SIG VSS (HI) VSS (LO) VSS OUT VSS RTN GND IGN W/ DRL W/ DRL HEADLIGHTS SYSTEM ANTI-LOCK BRAKE SYSTEM INTERIOR LIGHTS SYSTEM W/ DRL LT W/O WATER IN FUEL IND. (DIESEL) WATER-IN-FUEL SENSOR (DIESEL ONLY) (PART OF FUEL INJECTION PUMP) WHT (OR LT GRN) WIRE WHT (OR WIRE WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE