Connecting new Sanden compressor to original A/C

[mac808]

Hoping someone would be able to chime in on how to do this:

I want to hook up my new Sanden a/c compressor that has one black wire to the oem style harness clip that was hooked up to the original GM compressor with the 2 green wires and 1 black ground wire.



I've looked through several different threads regarding this connection and most indicate splicing it in-line into the green wire going to the cab...?

Or is there some kind of harness clip adapter that the single black male wire can plug into to connect to the double pinned flat GM SI style clip?



Any help or suggestions would be greatly appreciated. Thank you in advance!

[jjzepplin]

Black is the ground(on the plug) and the green goes to one side of the pressure switch and the other side of the switch goes to the black wire on your compressor. The green on the plug used to go straight to the compressor. now it goes to the pressure switch that turns on your compressor. When the pressure gets too high it shuts it off. The black on the plug could be deleted at this point. It was just to complete the circuit on the original compressor.

[mac808]

Thanks for the quick reply jjzepplin.

Okay... so delete the black ground wire from the clip and just connect the green wire that used to go to the old compressor to the new black wire coming from the new compressor, correct...?

[jjzepplin]

Nope. The green from the plug (truck firewall) goes to the switch (pressure shut off switch-that thing with two green wires in it in the big aluminum tube). Hook one green wire to firewall green wire and the other green from the switch goes to your compressor.

[jjzepplin]

I see that pressure switch has the wires going somewhere else. Where?

[mac808]

Ok. Got it! Thanks a million sir!

[mac808]

You mean the wires that go into the wire loom? The wires that are coming up on the other side of the hose with the ground and green wire wrapped around the fitting is the other end of it. You can't really see the wire going to the cab in the pic.

[jjzepplin]

Glad to be of some help. Got all the info here. Just passing it on. That's exactly how I was going to do mine. Nice rig there.

[mac808]

Yeah, this place is information/resource/ and motivational nirvana!

You don't even realize how much info I've learned just reading through a lot of these threads. It's such an awesome community-and a very large and knowledgeable one at that.

I can only hope to give back and help someone, someday in the same way. Thanks again Jj!
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