Chevrolet Corvette C4 (1984-1998) btsi system Wiring diagrams

13 14 PNK WIRE ANTI-LOCK BRAKES SYSTEM ASR ACTIVE SIGNAL ASR SPARK RTD SIG BANK 2 (FORWARD OF CATALYTIC CONVERTER) BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE SWITCH ASSEMBLY BRN WIRE BTSI SYSTEM COIL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EBTCM PPL ECT SENSOR SIG ENG 1 FUSE 30 ENGINE, RIGHT SIDE OF AIR INTAKE DUCT) GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES I/P FUSE BLOCK AIR PUMP FUSE 8 HOT IN RUN HOT IN RUN, BULB TEST OR START IAC COIL A HI IAC COIL A LO IAC COIL B HI IAC COIL B LO IAT SENSOR SIG IDLE AIR CONTROL (IAC) VALVE (TOP RIGHT FRONT OF ENGINE, ON THROTTLE BODY) COIL INTAKE AIR TEMPERATURE (IAT) SENSOR (FRONT OF LEFT FRONT HEATED OXYGEN SENSOR LEFT REAR HEATED OXYGEN SENSOR LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MAP SENSOR SIG NCA WIRE ORG/BLK WIRE OXYGEN SEN FUSE 20 PCM GROUND CONN 3 PIN 10 PIN 34 PIN 12 ELECTRONIC BRAKE/ TRACTION CONTROL MODULE (EBTCM) PNK TRANS RANGE SIG A WIRE PNK WIRE PNP SW POWERTRAIN CONTROL MODULE (LEFT REAR OF ENGINE CMPT, ABOVE BATTERY) PPL PPL BRAKE SWITCH SIG PPL/WHT WIRE RED WIRE RED/BLK WIRE RIGHT FRONT HEATED OXYGEN SENSOR RIGHT REAR HEATED OXYGEN SENSOR SECONDARY AIR INJECTION (AIR) BLEED VALVE SOLENOID (ATTACHED TO AIR PUMP) SOLID STATE TAN WIRE TAN/WHT WIRE TCC/SHIFT INTERRUPT SWITCH THROTTLE POSITION (TP) SENSOR (RIGHT FRONT OF ENGINE) TP SENSOR SIG TRANS PRESS CTRL SOL TRANS RANGE SIG B TRANS RANGE SIG C UNDER- HOOD FUSE BLOCK 2 WHT WIRE YEL WIRE YEL/BLK WIRE

13 14 PNK WIRE ANTI-LOCK BRAKES SYSTEM ASR ACTIVE SIGNAL ASR SPARK RTD SIG BANK 2 (FORWARD OF CATALYTIC CONVERTER) BLK WIRE BLK/WHT WIRE BLU WIRE BRAKE SWITCH ASSEMBLY BRN WIRE BTSI SYSTEM COIL DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE EBTCM PPL ECT SENSOR SIG ENG 1 FUSE 30 ENGINE, RIGHT SIDE OF AIR INTAKE DUCT) GRY WIRE GRY/BLK WIRE HOT AT ALL TIMES I/P FUSE BLOCK AIR PUMP FUSE 8 HOT IN RUN HOT IN RUN, BULB TEST OR START IAC COIL A HI IAC COIL A LO IAC COIL B HI IAC COIL B LO IAT SENSOR SIG IDLE AIR CONTROL (IAC) VALVE (TOP RIGHT FRONT OF ENGINE, ON THROTTLE BODY) COIL INTAKE AIR TEMPERATURE (IAT) SENSOR (FRONT OF LEFT FRONT HEATED OXYGEN SENSOR LEFT REAR HEATED OXYGEN SENSOR LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT GRN/WHT WIRE MAP SENSOR SIG NCA WIRE ORG/BLK WIRE OXYGEN SEN FUSE 20 PCM GROUND CONN 3 PIN 10 PIN 34 PIN 12 ELECTRONIC BRAKE/ TRACTION CONTROL MODULE (EBTCM) PNK TRANS RANGE SIG A WIRE PNK WIRE PNP SW POWERTRAIN CONTROL MODULE (LEFT REAR OF ENGINE CMPT, ABOVE BATTERY) PPL PPL BRAKE SWITCH SIG PPL/WHT WIRE RED WIRE RED/BLK WIRE RIGHT FRONT HEATED OXYGEN SENSOR RIGHT REAR HEATED OXYGEN SENSOR SECONDARY AIR INJECTION (AIR) BLEED VALVE SOLENOID (ATTACHED TO AIR PUMP) SOLID STATE TAN WIRE TAN/WHT WIRE TCC/SHIFT INTERRUPT SWITCH THROTTLE POSITION (TP) SENSOR (RIGHT FRONT OF ENGINE) TP SENSOR SIG TRANS PRESS CTRL SOL TRANS RANGE SIG B TRANS RANGE SIG C UNDER- HOOD FUSE BLOCK 2 WHT WIRE YEL WIRE YEL/BLK WIRE