When changing the ICM on the distributor I found a connector that is unplugged and unidentified. Here are four (4) shots of it.








Any information would greatly be appreciated.

 

Same plug is on both my 87's and is not connected to anything, same as reported by several other members in posts here. I'm in the process of re-building the wiring harnesses on a recent motor swap and intend to trace it. Out of curiousity.

 

what color are the wires?,jimmy

 

On DJ's car....one is red and the other appears to be a light(ish) green. Its just hanging kinda behind the left side head and exhaust header.

 

My '87 IROC as the same connector hanging there.

 

Secondary cooling fan temperature switch?

Power steering pressure switch (A/C cutout for V6 cars)?

 

Not A/C cutout. That connector exists on my 87 (LG4) near the gear box. Had to short it when I replaced the high pressure hose and did not re-install the switch (it was leaking). The wiring for the AC cutout connector directly breaks power to the clutch.

I know it's not part of the ECM harness either as I pulled that harness and the connector was not attached.

 

When I borrowed a '87 Firebird service manual from the local Pontiac dealer to do some electrical system troubleshooting on a friends car I seem to remember it mentioning that was a vehicle speed sensor connector.

 

I've also seen threads whereas this plug was used in wiring harnesses on both Camaro and Firebird, but was related to the Firebird speedometer. It doesn't seem to be an issue to be concerned with.......hopefully