I need the wiring schematics for AC Compressor

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pontiacgp

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Mar 31, 2006
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darbysan

Master Mechanic
Apr 3, 2007
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Las Vegas, NV
I think the differences you will find are:

1) The AC compressor may have a safety switch at the top rear of the compressor. If it has one wire coming out, that should be your ground from the Compressor clutch. If it has two wires coming out, one side should go to ground, the other to the ground side of the AC clutch connector.

2) You may have a switch in the High Side hard line, if you used the ones form the TPI donor. That switch is set to close at 233 psi, and I use it to turn the fans on through the ECM ( If temp has not already turned them on). It is optional.

If you have more questions, let me know and I'll try and help
 
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