Chevrolet Forward Control P30 (1985-1999) timing control return Wiring diagrams

3 4 5 PNK PNK WIRE 389 419 VSS OUTPUT MIL CTRL 420 1807 PPL PPL BRAKE SIG SERIAL DATA 440 1225 1224 IGN FEED RANGE SIG "B" RANGE SIG "A" A/C REQUEST SIG A/C SYSTEM BLK WIRE BLK/WHT WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE BULKHEAD GROMMET TOWARD IGNITION SW) CYLINDER 2 CYLINDER 1 CYLINDER 5 CYLINDER 3 CYLINDER 4 CYLINDER 6 DISTRIBUTOR (TOP REAR OF ENGINE) DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM-BAT FUSE 6 EGR VALVE CTRL ELECTRONIC BRAKE CONTROL MODULE FEED FUEL PUMP PRIME CONNECTOR (TAPED TO FUEL PUMP RELAY BREAKOUT) GROUND GRY WIRE HIGH VOLTAGE COIL WIRE HOT AT ALL TIMES HOT IN RUN I-3 FUSE 9 I/P FUSE BLOCK (BEHIND DASH PANEL) (BODY BUILDER INSTALLED) IGN FEED IGNITION IGNITION COIL (TOP RIGHT SIDE OF ENGINE) IGNITION CONTROL MODULE (RIGHT TOP OF ENGINE, AT IGNITION COIL) LT BLU/WHT WIRE ORG/ WIRE PCS SOL (HI) INPUT SPD SENS SIG INPUT SPD SENS RTN TIMING CTRL SIG PCS SOL (LO) VCM GROUND VCM GROUND GROUND 451 451 470 PNK 6 7 8 9 10 11 12 13 14 15 WIRE PNK IGN FEED WIRE PNK WIRE PPL PPL (ENGINE HARN, 18 CM FROM BREAKOUT TO BULKHEAD CONN) PPL FUEL LEVEL PRESSURE SWITCH IN RANGE SIG "C" RED WIRE RED/ BLK WIRE RED/BLK WIRE SHIFT INTERLOCK SYSTEM PPL SPARK PLUGS TIMING CONTROL RETURN TIMING CONTROL SIGNAL) TORQUE CONVERTER CLUTCH, STOP LAMP SWITCH (AT BRAKE PEDAL SUPPPORT) TRANSMISSION INPUT SPEED SENSOR (ON LEFT SIDE OF TRNASMISSION, NEAR THE MIDDLE) WHT WIRE WHT/ BLU WIRE WHT/BLK WIRE

389 419 VSS OUTPUT MIL CTRL 440 1225 1224 IGN FEED RANGE SIG "B" RANGE SIG "A" A/C REQUEST SIG A/C SW IN A/C SYSTEM A/T INPUT SPEED SENSOR (TRANSMISSION, LEFT FRONT) BLK WIRE BLK/WHT WIRE BRN WIRE BRN/WHT WIRE CLUTCH PEDAL POSITION SWITCH (TOP OF CLUTCH PEDAL SUPPORT) CLUTCH SIG CYLINDER 1 CYLINDER 4 CYLINDER 5 CYLINDER 3 CYLINDER 6 CYLINDER 7 CYLINDER 2 CYLINDER 8 DISTRIBUTOR (TOP REAR OF ENGINE) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ECM B FUSE 6 EGR CTRL FROM LEFT BULKHEAD GROMMET) PPL 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 RUN I-3 FUSE 9 I/P FUSE BLOCK (DASH PANEL PROVIDED BY BODY BUILDER) (BODY BUILDER INSTALLED) IGN FEED IGNITION COIL (TOP RIGHT SIDE OF ENGINE) IGNITION CONTROL MODULE (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 PCS SOL (LO) SYSTEM GND SYSTEM GND GND 451 451 470 PNK IGN FEED WIRE PNK PNK WIRE PNK WIRE PPL PPL 1 2 PPL 2 4 5 16 DATA LINK CONNECTOR (DLC) (BELOW DASH, NEAR STEERING COLUMN) PPL ANTI-LOCK BRAKE SYSTEM PPL FUEL LEV PPL PPL 420 1807 BRAKE SIG SERIAL DATA RANGE SIG "C" RED WIRE RED/ BLK WIRE RED/BLK WIRE SHIFT INTERLOCK SYSTEM SPARK PLUGS TCC/ STOP LAMPS SWITCH (RIGHT SIDE OF STEERING COLUMN UPPER SUPPORT) TIMING CONTROL RETURN TIMING CONTROL SIGNAL) VEHICLE CONTROL MODULE (VCM) (LEFT SIDE OF ENGINE COMPT) WHT WIRE WHT/ DK BLU WIRE WHT/BLK WIRE