Chevrolet Pickup K1500 (1988-1999) note: fuel injectors are located in the top of engine, in intake manifold Wiring diagram

1-2 SHIFT SOL 20 21 22 23 24 PNK WIRE AUTOMATIC TRANSMISSION BANK 1 SENSOR 3 (IN EXHAUST PIPE, NEAR CATALYTIC CONVERTER) BLK WIRE BLK/WHT WIRE BLU WIRE BRN WIRE DK BLU WIRE DK GRN WIRE DK GRN/WHT WIRE ECM 1 FUSE ENG 1 FUSE FUEL INJ 1 FUEL INJ 3 FUEL INJ 2 FUEL INJ 4 FUEL INJ 5 FUEL INJ 6 NO.6 GRY WIRE HEATED OXYGEN HOT IN RUN, START LT BLU WIRE LT BLU/BLK WIRE LT BLU/WHT WIRE LT GRN WIRE LT GRN/BLK WIRE LT PNK PNK WIRE NCA WIRE NOTE: FUEL INJECTORS ARE LOCATED IN THE TOP OF ENGINE, IN INTAKE MANIFOLD PNK 32 33 WIRE PNK PNK 1 2 WIRE PNK PNK PNK PNK 5 6 7 8 WIRE PNK PNK PNK PNK PNK PNK PNK WIRE PNK PNK PNK PPL 1 2 3 4 WIRE PNK WIRE PNK/BLK WIRE PPL PNK PNK WIRE PPL PNK WIRE PPL/WHT WIRE PRESSURE CONTROL SOLENOID VALVE RED WIRE RED/BLK WIRE TAN WIRE TAN/BLK WIRE TAN/WHT WIRE TCC ON/OFF SOL 2-3 SHIFT SOL TCC PWM SOL 3-2 CONTROL SOL TRANSMISSION FLUID TEMPERATURE (TFT) SENSOR (INTERNAL) UNDER HOOD FUSE-RELAY CENTER WHT WIRE YEL WIRE YEL/BLK WIRE