Chevrolet Corvette C4 (1984-1998) ppl data link connector (left side of dash) Wiring diagrams

1-2 SHIFT SOL 1-2 SHIFT SOLENOID 2-3 SHIFT SOL 2-3 SHIFT SOLENOID 3-2 CTRL SOLENOID 3-2 DOWNSHIFT SOL AUTO TRANS FUSE 15 AUTOMATIC TRANSMISSION BATTERY IN BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE SWITCH ASSEMBLY (ON BRAKE PEDAL BRACKET) BRN WIRE BRN/WHT WIRE CLUSTER FUSE 27 CONN B DK BLU WIRE DRIVER INFORMATION CENTER E.C.M. FUSE 33 ECM FUSE 1 ECT SENS INPUT PNK RANGE SIGNAL "A" WIRE ENG 1 FUSE 30 ENGINE COOLANT TEMP SENSOR (FRONT OF ENGINE, ON WATER PUMP) GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK IGNITION IN LT BLU/WHT WIRE LT GRN WIRE MALFUNCTION INDICATOR LAMP MIL CONTROL ORG/BLK WIRE PARK/NEUTRAL IN PCM GROUND PCM GROUND CONN C PCM GROUND PPL VSS LO PCS HI PCS LO PNK IGNITION IN WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (LEFT REAR OF ENGINE COMPT, ABOVE BATTERY) PPL PPL BRAKE SWITCH INPUT PPL DATA LINK CONNECTOR (LEFT SIDE OF DASH) PRESS CTRL HI SOLENOID RANGE SIGNAL "B" RANGE SIGNAL "C" RED WIRE RED/BLK WIRE SENSOR RETURN SERIAL DATA CONN D TAN WIRE TAN/BLK WIRE TCC PWM SOL PPL CLASS II DATA TCC PWM SOLENOID TCC SOL TCC SOLENOID THROTTLE POSITION SENSOR (MOUNTED TO SIDE OF THROTTLE BODY) TP SENS INPUT TRANS FLUID TEMP SENSOR TRANS RANGE PRESS SW ASSY TRANS TEMP SIG IN TRANSMISSION RANGE SWITCH (BASE OF GEAR SELECTOR LEVER) UNDERHOOD FUSE BLOCK 1 VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VSS HI CONN A WHT WIRE YEL WIRE YEL/BLK WIRE

1-2 SHIFT SOL 1-2 SHIFT SOLENOID 2-3 SHIFT SOL 2-3 SHIFT SOLENOID 3-2 CTRL SOLENOID 3-2 DOWNSHIFT SOL AUTO TRANS FUSE 15 AUTOMATIC TRANSMISSION BATTERY IN BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE SWITCH ASSEMBLY (ON BRAKE PEDAL BRACKET) BRN WIRE BRN/WHT WIRE CLUSTER FUSE 27 CONN B DK BLU WIRE DRIVER INFORMATION CENTER E.C.M. FUSE 33 ECM FUSE 1 ECT SENS INPUT PNK RANGE SIGNAL "A" WIRE ENG 1 FUSE 30 ENGINE COOLANT TEMP SENSOR (FRONT OF ENGINE, ON WATER PUMP) GRY WIRE HOT AT ALL TIMES HOT IN RUN HOT IN RUN, BULB TEST OR START I/P FUSE BLOCK IGNITION IN LT BLU/WHT WIRE LT GRN WIRE MALFUNCTION INDICATOR LAMP MIL CONTROL ORG/BLK WIRE PARK/NEUTRAL IN PCM GROUND PCM GROUND CONN C PCM GROUND PPL VSS LO PCS HI PCS LO PNK IGNITION IN WIRE PNK WIRE POWERTRAIN CONTROL MODULE (PCM) (LEFT REAR OF ENGINE COMPT, ABOVE BATTERY) PPL PPL BRAKE SWITCH INPUT PPL DATA LINK CONNECTOR (LEFT SIDE OF DASH) PRESS CTRL HI SOLENOID RANGE SIGNAL "B" RANGE SIGNAL "C" RED WIRE RED/BLK WIRE SENSOR RETURN SERIAL DATA CONN D TAN WIRE TAN/BLK WIRE TCC PWM SOL PPL CLASS II DATA TCC PWM SOLENOID TCC SOL TCC SOLENOID THROTTLE POSITION SENSOR (MOUNTED TO SIDE OF THROTTLE BODY) TP SENS INPUT TRANS FLUID TEMP SENSOR TRANS RANGE PRESS SW ASSY TRANS TEMP SIG IN TRANSMISSION RANGE SWITCH (BASE OF GEAR SELECTOR LEVER) UNDERHOOD FUSE BLOCK 1 VEHICLE SPEED SENSOR (LEFT REAR OF TRANSMISSION) VSS HI CONN A WHT WIRE YEL WIRE YEL/BLK WIRE