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

389 419 VSS OUTPUT MIL CTRL 420 1807 PPL PPL BRAKE SIG SERIAL DATA 900 900 SERVICE CIRCUIT POWER SERVICE CIRCUIT POWER A/C REQUEST SIG A/T A/T INPUT SPEED SENSOR (TRANSMISSION, LEFT FRONT) ANTI-LOCK BRAKE SYSTEM BLK RED/ WIRE BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CLUTCH PEDAL POSITION SWITCH (LEFT SIDE OF BRAKE PEDAL BRACKET) CLUTCH SIG CYLINDER NO.2 CYLINDER NO.1 CYLINDER NO.5 CYLINDER NO.3 CYLINDER NO.4 CYLINDER NO.6 DISTRIBUTOR (TOP REAR OF ENGINE) DK BLU WIRE DK BLU/ WHT WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ECM BAT FUSE FEED IGNITION FUEL PUMP PRIME CONNECTOR (TAPED TO FUEL PUMP RELAY BREAKOUT) FUEL PUMP RELAY (ENGINE BULKHEAD RELAY BRACKET UNDER BATTERY JUNCTION BLOCK) GROMMET TOWARD IGNITION SW) 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) LT BLU/WHT WIRE M/T M/T ONLY ORG/ WIRE PCS SOL (HI) INPUT SPD SENS SIG INPUT SPD SENS RTN TIMING CTRL SIG PCS SOL (LO) SYSTEM GROUND PNK IGN FEED WIRE PNK PNK 2 3 4 5 6 7 8 9 10 11 12 13 14 WIRE PNK WIRE PPL PPL PPL RANGE SIG "C" RED WIRE RED/BLK WIRE RETURN CONTROL TIMING SHIFT INTERLOCK SYSTEM SIGNAL CONTROL TIMING SPARK PLUGS VEHICLE CONTROL MODULE (VCM) (VCM BRACKET BOLTED TO LEFT RADIATOR SUPPORT) WHT WIRE WHT/BLK WIRE