What are the PCM pins for 1999 to 2002?
What are the PCM pins for 1999 to 2002? These are the RED & BLUE PCM connector pinouts that will cover 1999 to 2002 4.8/5.3/6.0. Your harness MAY NOT have a pin in a location I have listed having a wire. I have tried to list all possible wires that will show up 99-02. What are the pin out charts for PCM? 1998-99 PCM Connector Pin Out Charts (GM 4.3L, 5.0L, 5.7L). Each connector can be identified as: C1 Blue (32 Pin Connector). C2 Red (32 Pin Connector). C3 Clear -or Grey- (32 Pin Connector). C4 Black (24 Pin Connector)....