Chevrolet Forward Control P30 (1985-1999) 1226 1225 tr switch c tr switch b tr switch a Wiring diagrams

1-2 SHIFT 1226 1225 TR SWITCH C TR SWITCH B TR SWITCH A 2-3 SHIFT A/C REQUEST SIG ANTILOCK BRAKES SYSTEM AUTOMATIC TRANSMISSION AUTOMATIC TRANSMISSION INPUT SHAFT SPEED SENSOR (LEFT SIDE OF TRANSMISSION) BATTERY BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN WIRE BRN/WHT WIRE CLOSURE SIGNAL BOOST SENSOR SIG PRESS CTRL SOL VLV LO DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE ECT SIGNAL GRN WIRE GRY WIRE GRY/BLK WIRE LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/WHT WIRE LT PNK WIRE OR DK PNK WIRE ORG/ WIRE ORG/BLK WIRE OUTPUT SHAFT SPEED SENSOR PNK PNK PPL 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (PCM) (LEFT SIDE OF DRIVER'S ISLAND) PPL PPL PPL 28 29 30 31 32 PPL TCC/ABS BRAKE SW STOPLAMP SWITCH CRIUSE SET/COAST SIG 20 84 PPL/WHT WIRE PRESSURE CONTROL SOLENOID VALVE RANGE MODE SELECTOR TRANSMISSION TEMPERATURE SENSOR RED WIRE RED/BLK WIRE RESUME SENSOR GND SET- SOLENOID VALVE SOLID STATE SPEED CONTROL SWITCH TAN WIRE TAN/BLK WIRE TCC PWM SOLENOID VALVE TIMING STEPPER MTR (LOW) TIMING STEPPER MTR (LOW) TRANSMISSION SPEED INPUT WHT WIRE YEL WIRE YEL/BLK (OR RED/BLK) WIRE YEL/BLK WIRE

1226 1225 TR SWITCH C TR SWITCH B TR SWITCH A 27 28 29 30 31 PPL A/C SYSTEM ANTILOCK BRAKES SYSTEM AUTOMATIC TRANSMISSION BATTERY BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN (OR LT BLU) WIRE BRN WIRE BRN/WHT WIRE CLOSURE SIGNAL BOOST SENSOR SIG PRESS CTRL SOL VLV LO DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DK PNK/ PNK WIRE ECT SIGNAL GRN WIRE GRY WIRE GRY/BLK WIRE LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/WHT WIRE ORG/ WIRE ORG/BLK WIRE PNK PNK PPL 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (PCM) (LEFT SIDE OF DRIVER'S ISLAND ON RELAY BRACKET) PPL PPL CKP SEN GRD A/C REQUEST SIG PPL TCC/ABS BRAKE SW STOPLAMP SWITCH CRIUSE SET/COAST SIG 20 84 PPL/WHT WIRE PRESSURE CONTROL SOLENOID VALVE RANGE MODE SELECTOR RED WIRE RED/BLK WIRE RESUME SENSOR GND SET- SOLENOID VALVE 1-2 SHIFT SOLENOID VALVE 2-3 SHIFT SOLENOID VALVE TCC PWM SOLID STATE SPEED CONTROL SWITCH TAN WIRE TAN/BLK WIRE TIMING STEPPER MTR (LOW) TIMING STEPPER MTR (LOW) TOWARD BREAKOUT FOR GRNERATOR CONNECTOR) TRANSMISSION OUTPUT SPEED SENSOR (LEFT SIDE OF TRANS- MISSION, NEAR THE MIDDLE) TRANSMISSION SPEED INPUT TRANSMISSION TEMPERATURE SENSOR WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE

1226 1225 TR SWITCH C TR SWITCH B TR SWITCH A 2-3 SHIFT SOLENOID VALVE 27 28 29 30 31 PPL 379 (OR 420) A/C SYSTEM A/T A/T M/T ANTILOCK BRAKES SYSTEM AUTOMATIC TRANSMISSION BATTERY BLK WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BRN (OR LT BLU) WIRE BRN WIRE BRN/WHT (OR PPL) WIRE BRN/WHT WIRE CLOSURE SIGNAL BOOST SENSOR SIG PRESS CTRL SOL VLV LO CLUTCH PEDAL POSITION SWITCH (TOP OF CLUTCH PEDAL SUPORT) DK BLU WIRE DK BLU/WHT WIRE DK GRN WIRE DK GRN/WHT WIRE DK PNK/ PNK WIRE ECT SIGNAL GRN WIRE GRY WIRE LT BLU WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/WHT WIRE ORG/ WIRE ORG/BLK WIRE PNK PNK PPL 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 WIRE PNK WIRE PNK/BLK WIRE POWERTRAIN CONTROL MODULE (PCM) (LEFT SIDE OF DRIVER'S ISLAND ON RELAY BRACKET) PPL PPL APP 2 GROUND APP 1 GROUND APP 1 SIG PPL CKP SEN GRD A/C REQUEST SIG PPL PPL PPL/WHT WIRE PRESSURE CONTROL SOLENOID VALVE RANGE MODE SELECTOR RED WIRE RED/BLK WIRE SENSOR GND SOLENOID VALVE 1-2 SHIFT SOLID STATE TAN WIRE TAN/BLK WIRE TCC PWM SOLENOID VALVE TCC/ABS BRAKE SW STOPLAMP SWITCH TIMING STEPPER MTR (HIGH) TIMING STEPPER MTR (LOW) TIMING STEPPER MTR (LOW) TRANSMISSION OUTPUT SPEED SENSOR (LEFT SIDE OF TRANS- MISSION, NEAR THE MIDDLE) TRANSMISSION SPEED INPUT TRANSMISSION TEMPERATURE SENSOR WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE