What is this connector? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 08-09-2006, 05:20 PM   #1
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Default What is this connector?

I replaced my air compressor and accumulator today. Everything went pretty smooth overall, but I noticed there was a small electrical connector on the back of the old compressor, but not on the back of the new one. Everything else hooked up the way it should besides not having a place for this connector. When i reconnected the battery and tightened all the fittings, I started the car and turned the air on. I filled the system with one can of R-134a, and got nothing from the compressor.

It'* not comming on at all. The clutch is not engaging the compressor. I can only assume this has to do with the mystery connector. Can anyone help?
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Old 08-09-2006, 05:32 PM   #2
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It'* the wrong compressor. The correct one has a connector. I know that 95 has that connector, I don't know about 93 though.
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Old 08-09-2006, 05:34 PM   #3
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ERRRRRRR

Thanks for the info...I was affraid to hear that. Thanks though.

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Old 08-09-2006, 05:46 PM   #4
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Is this something I can buy seperate? Or must buy seperate? Can this connecter be grounded out some way to make it work? Anyway to bypass.
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Old 08-09-2006, 05:49 PM   #5
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I don't believe there is any way to bypass this. And, there'* another complication -- if the pressure is too low, the compressor won't turn on at all. This connector may not be critical, but if it existed on the original compressor, it HAS to be there on the new compressor. Might as well pull it off and go exchange it for the correct one.

EDIT: In your sig it says 'new motor' -- what year motor is it?
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Old 08-09-2006, 05:57 PM   #6
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It is a remanufactured long block...

I have found what I believe is the connector on autozones website.

None of the vendors sell 93 compressors with connectors on the rear. There is a way to install one though...just gotta figure it out. I believe there are snap rings holding a cover on the opening where the connector has to go.
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Old 08-09-2006, 05:58 PM   #7
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From the 95 I did, I believe that is correct -- it'* a snap ring holding the connector in place.

What'* the link for that connector? It should be a single pin connector on the back of the compressor by the freon ports.
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Old 08-09-2006, 09:08 PM   #8
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Mine is actually two pins

There are two possible parts it could've been.....I bought the wrong one apparently. So i just ordered the other one...hopefully it fits correctly. Once i get it in, i'll install this one and put it all back together again (i'm actually becoming quite quick at taking the compressor out)....then i'll let you know if things worked out correctly. Thanks for your help.

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Old 08-09-2006, 09:17 PM   #9
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You're welcome

Good luck, it'* amazing how quick you can get at swapping things when you have to do it ten times.
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Old 08-10-2006, 08:48 AM   #10
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It'* probably some form of pressure switch and necessary. Sounds like you are on teh right track with getting the right part.

Sometimes if you check your production dates, you see that the car is closer to the next or previous production year and might have older or newer style parts than your year "should" have.
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