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04-27-2014, 01:43 PM
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#1 |
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Registered User
Join Date: Oct 2013
Location: Manhattan, KS
Posts: 42
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Serpentine Swap new A/C wiring help.
I swapped my 83 GMC belt to a 1992 4.3 v6 serpentine system. My truck came with a/c from the factory but the previous owner removed all the components. I have reinstalled all the components from the 92' Chevy but i have no idea where the wires from the compressor need to go. One wire is green and one is brown.
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04-27-2014, 03:47 PM
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#2 |
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BAD BOW-Silverado XST
Join Date: May 2000
Location: Senior Member from Austin, TX
Posts: 6,431
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Re: Serpentine Swap new A/C wiring help.
Welcome to the site. A/C wiring is in series. Switch (cab) -> low pressure switch -> hi pressure switch -> compressor -> to good ground. My 83 has a green wire from the harness into the hi pressure switch. Find the wire that gets 12 volts when the A/C switch is on. The wiring needs to be in series. If refrigerant pressure is low or high, power is cut to save the compressor.
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