Expert: Skip Bollinger - 6/23/2006

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I own A 98 GMC YUKON The Ac is not working. Checked fuses and relays good. Jumped pressure cycling switch still Compressor not kicking in!! Please help!!

Yeah I jumped the switch to the silver cannister it doesn't work and i jumped the clutch coil and it is fine. Please help!!!

Well i swaped out the relay with a good one. I checked the dash switch and that was fine too.
But when i jumped the clutch coil from the fusebox it came on it was working. It's one of the wires coming the fusebox. That's why the relay wasn't energizing. So i'm still in a dilema.
Is there anyway you can send me a Electrical schematc of the AC system So I don't probe every single wire under the hood? I figure it would be easier to start probing down where it ends and less complicated. Thank you again for responding....

Answer
Ravuth,
 I don't have a diagram of the wiring for that vehicle. I am an old parts guy that has catalogs that go from the late 1970's back into the 1900's. IF you go to your local library, they have an "Automotive Reference Section". If the library is like the one we have, you can't check out the books but you can photocopy the pages and take them home. They should have what you need. IF you have no library close, I'd just go down to the local GM dealership and ask for a wiring diagram.
  I'm happy that we finally figured this thing out, almost. HOW DID YOU GET MY NAME?? I'M NOT A MEMBER OF ALL EXPERTS!!! At least I didn't know I was... Please let me know. I'm CarPartMan@aol.com. Thank you and good luck. I look forward to hearing from you...
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