Gm Iac Wiring Diagram. Fuel Injection Computer Connector Wire Identification. After pushing the pin in the yellow seal might need some coaxing.
If your RPMs are the same both times your idle control valve isnt working. Wiring Pigtail allows use of Early GM TPI Style IAC in vehicle that has a wiring harness for Late GM IAC style connectors. 1995 PCM Pin Out Chart GM 43L 50L 57L GAS w 4L60-E or 4L80-E.
Once its disconnected tuck the wire out of the way restart your car and wait a minute or 2 before checking your RPMs.
This includes all wiring that is needed by the computer to run and control the fuel injection system. Locate the IAC valve electrical connector and unplug the IAC valve. Inspect the IAC valve. Find out how to access AutoZones Wiring Diagrams Repair Guide for Chevy Cavalier and Pontiac Sunfire 1995-2000.