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Unread 06-04-2014, 12:23 PM   #1
Rob48
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1993 YJ Wrangler 
 
Join Date: Feb 2011
Location: Heath, Ohio
Posts: 13
2007 KJ, A/C clutch doesn't engage

I am wondering if this may be a switch or relay problem. Is there anyway to test these before buying new ones?

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Unread 06-04-2014, 07:39 PM   #2
02blue
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2002 KJ Liberty 
 
Join Date: Aug 2011
Location: Frederick, MD
Posts: 402
If charge is low you can jumper the pressure switch and it should force the compressor to run. Don't want to do it for long but worth a try. Maybe it is low on refrigerant and needs to be evacuated and refilled.
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Unread 06-05-2014, 05:22 AM   #3
Billwill
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2002 KJ Liberty 
 
Join Date: Jul 2007
Location: South Africa
Posts: 1,010
Swap the A/C Relay out with an identical one hopefully nearby and check all the fuses and put a voltmeter on the lead going to the clutch with reference to ground... Alas I do not have 2007 circuit diagrams
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