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-   -   I am looking for a Relay Expert for my AC (https://67-72chevytrucks.com/vboard/showthread.php?t=426737)

buildinga55 10-18-2010 10:28 PM

I am looking for a Relay Expert for my AC
 
I have wired my entire truck and everything is going well. Except I am totally confused about if I need a relay and how to wire it if I do for my AC unit. I have a Southern Air Superfrost unit. By the time you plug in all the pre-wired wires, you have two wires, a red power wire with an in line 20 amp fuse and a black ground wire. All of the switch and thermostat are wired in the switch enclosure. I understand you normally want relays for high power items. Maybe this is not considered high power since it only has a 20 amp fuse, I don't know.

britnjc 10-19-2010 09:34 PM

Re: I am looking for a Relay Expert for my AC
 
1 Attachment(s)
take a look at this diagram from vintage air. it tells you how wire a relay in. its how i wired mine.


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