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xjjk
April 12th, 2008, 14:57
Where do I start?

bics90xj
April 12th, 2008, 16:04
Jump the low pressure switch to see if it is just to low on freon. If the clutch starts spinning charge it, if not check for power at the a/c switch.

xjjk
April 12th, 2008, 16:29
The compressor will not engage with low pressure jumped but will engage with power applied directly to it. It will turn on and off with the ac selector when directly wired to power. I know it needs a charge, but think it should power that orange wire w the low pressure jumped, right?

xjjk
April 12th, 2008, 16:31
Oh yeah where is the ac switch?

FL. 2001 XJ
April 12th, 2008, 16:54
when a/c is turned on due u have 12 volt at grn w/tr wire at low pressure switch?

xjjk
April 12th, 2008, 16:59
Yes I have power there.

FL. 2001 XJ
April 12th, 2008, 17:17
If u a have 12 volt at grn w/tr at low pressure switch. your push a/c push botton witch is good. At a/c compressor u should have a org and black wire and blue w tracer wright? if u do, jump the low pressure switch and applie ground to blue with w tracer at a/c compressor. A/c clutch should engange.

xjjk
April 12th, 2008, 17:29
On the compressor are two black wires, spliced together to a bullet plug that meets the orange wire. one of them is grounded on the compressor case, the other goes into the clutch. I jumped from green tracer to the black wire(s) and the clutch will engage. However there is no power at the orange wire when just jumping low pressure switch.

FL. 2001 XJ
April 12th, 2008, 17:41
I am sorry I did not mean a/c compressure I ment at a a/c relay. pin 85 should be power supply and 86 should be ground! jump those pins at a/c relay with low pressure switch jumped a/c clutch should engage

FL. 2001 XJ
April 12th, 2008, 17:58
You have checked the a/c compressor relay???

FL. 2001 XJ
April 12th, 2008, 18:15
I am sorry I did not mean a/c compressure I ment at a a/c relay. pin 85 should be power supply and 86 should be ground! jump those pins at a/c relay with low pressure switch jumped a/c clutch should engage it would be easier to just swap a relay with another one.

xjjk
April 12th, 2008, 18:24
There are 4 relays on pass fender. Ac is the one all the way towrds nose of jeep right? I tried another relay and nothing happened.

FL. 2001 XJ
April 12th, 2008, 20:11
I would make sure that your a/c system is charged! The wire diagram I am looking at sucks!

xjjk
April 12th, 2008, 20:43
Thanks guys. We charged it by jumping the compressor and then the orange wire was able to power up. ;)