GMC Vandura P3500 (1985-1997) timing control signal) Wiring diagram

389 419 VSS OUTPUT MIL CTRL 900 900 SERVICE CIRCUIT POWER SERVICE CIRCUIT POWER A/C REQUEST SIG A/T INPUT SPEED SENSOR (TRANSMISSION, LEFT FRONT) A/T M/T PPL ANTI- LOCK BRAKES SYSTEM PPL BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CLUTCH PEDAL POSITION SWITCH (LEFT SIDE OF BRAKE PEDAL BRACKET) CLUTCH SIG CYLINDER NO.1 CYLINDER NO.4 CYLINDER NO.5 CYLINDER NO.3 CYLINDER NO.6 CYLINDER NO.7 CYLINDER NO.2 CYLINDER NO.8 DISTRIBUTOR (TOP REAR OF ENGINE) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ECM BAT FUSE EVAP CAN PURGE SW SIG PCS SOL (LO) SYSTEM GND SYSTEM GND GND FUEL PUMP PRIME CONNECTOR (TAPED TO FUEL PUMP RELAY BREAKOUT) FUEL PUMP RELAY (ENGINE BULKHEAD RELAY BRACKET UNDER BATTERY JUNCTION BLOCK) GROUND GRY WIRE HIGH VOLTAGE COIL WIRE HOT AT ALL TIMES HOT IN ON, RUN I-3 FUSE I/P FUSE BLOCK (DASH PANEL PROVIDED BY BODY BUILDER) (BODY BUILDER INSTALLED) IGN FEED IGN FEED RANGE SIG "B" RANGE SIG "A" IGNITION COIL (BRACKET AT TOP EDGE OF RIGHT CYLINDER HEAD) IGNITION FEED LT BLU/WHT WIRE ORG/ WIRE PCS SOL (HI) INPUT SPD SENS SIG INPUT SPD SENS RTN TIMING CTRL SIG PNK IGN FEED WIRE PNK PNK WIRE PNK WIRE PPL PPL FROM LEFT BULKHEAD GROMMET) PPL PPL 420 1807 BRAKE SIG SERIAL DATA RANGE SIG "C" RED WIRE RED/ BLK WIRE RED/BLK WIRE SHIFT INTERLOCK SYSTEM SPARK PLUGS TIMING CONTROL RETURN TIMING CONTROL SIGNAL) VEHICLE CONTROL MODULE (VCM) (VCM BRACKET BOLTED TO LEFT RADIATOR SUPPORT) WHT WIRE WHT/ DK BLU WIRE WHT/BLK WIRE