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AC relay location - 1995 sonoma 4cyl

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Old 05-05-2010, 02:47 PM   #1
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AC relay location - 1995 sonoma 4cyl

Where is the AC relay location on a 95 sonoma?
I know there are 3 relays in the glove box but i doubt it's one of those.
There are also 3 relays on the firewall. Anybody know which it is?

The reason I'm asking is that the AC clutch does not engage and would like to check the relay since the fuse is good.
Old 05-05-2010, 02:56 PM   #2
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Re: AC relay location - 1995 sonoma 4cyl

Test the plug that goes into your ac compressor. If you get power the relay is good. No power and start hunting that relay down.
Old 05-05-2010, 03:03 PM   #3
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Re: AC relay location - 1995 sonoma 4cyl

The relay is on the firewall, which one, i'm not sure, but the color wiring will tell you and the wiring diagrams are in my sig.
Old 05-05-2010, 03:07 PM   #4
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Re: AC relay location - 1995 sonoma 4cyl

Good idea.
I just ahead and tested it with the AC on, and nothing. So i'm guessing it must be a fuse or a relay.
Old 05-05-2010, 03:14 PM   #5
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Re: AC relay location - 1995 sonoma 4cyl

maybe not, if the low pressure switch is open (meaning the system is low on pressure) or it's faulty, then that will diable the clutch also. So check for continuity across it first.
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