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#1
09-12-2007, 05:50 PM
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stumped!!
1998 Jeep Grand Cherokee Laredo--having problems with the dash gauges not working, power windows only work for a sec if you press while turning key to on, and the AC is not working. All diagnostics point to defective PCM and BCM--swapped both out & still have the same problems. Have found that the PCM is not grounding the AC relay, but cannot pinpoint where. Any suggestions out there????
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#2
09-13-2007, 03:51 PM
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Re: stumped!! 98 Grand Cherokee Laredo-elect probs
anyone have any suggestions???
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#3
09-14-2007, 11:58 AM
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Re: stumped!!
Well it sounds like a ground somewhere. How is your battery?
__________________
ASE Master Certified before the age of 20 Current Cars: 2001 Chevy Silverado 1500 Z71 5.3L 1996 Acura Integra LS B18 1.8L Past Cars: 1990 Buick Estate Wagon 5.0L 1987 Chevy S10 2.5L Tec Four 1995 Pontiac Grand Am 2.3 Quad 4 1996 Jeep Grand Cherokee Limited 5.2L AWD 1991 Ford Tempo L 2.3L 1992 Buick LeSabre 3.8L 1997 Buick Century 3.1L 1996 Lumina APV GT 3.4L 2006 Ford Escape 3.0L XLT
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#4
09-16-2007, 11:02 PM
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Re: stumped!!
Quote:
Have you checked to make sure the ignition switch is applying power to ALL the correct places when it's IN the run position? The part were the windows work while turning the key makes me think...
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#5
09-16-2007, 11:12 PM
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Re: stumped!!
Also, I have seen a couple chrysler products that loose power on a circuit were one thing is grounded out without it blowing fuses.
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#6
09-17-2007, 07:34 AM
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Re: stumped!!
Quote:
I would check the ignition switch for contiuity, souds like it may be the problem. edit- I could be wrong but if the Ign switch does not send power to the PCM, the PCM will "appear" to be bad on a diagnostic scan.
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