Question about GMC Denali

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1999 Yukon Denali: electrical problem;radio,wipers and power windows cut in and out; operate sporadically.

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  • usuper2 Nov 16, 2008

    99 yukon denali...starter is going bad...no fog lamps....and the radio is inop...it will display the clock if I press the recall button but it doesn't have any sound and the clock goes off after about 5 seconds....any way these items are related to the starter or am I looking at a BCM and a starter

  • cart23 Nov 17, 2008

    I have a simular situation, power windows,locks,radio, and starter seems to be going out. W here is the body control module located?

  • Anonymous Dec 03, 2008

    Same here, heard it may be the ignition switch. For now you can run a wire from one fuse to the #14 fuse and it will give you power, however this is a temporary fix and may cause you to blow fuses. ( which is no big deal- just a pain to replace)

  • bonecookie Mar 03, 2009

    I have the same problem, I replaced the BCM and it did NOT fix the problem, any suggestions?

  • Anonymous Mar 12, 2014

    my wipers, radio, security system, door locks, domelight, windows doesnt work what could be wrong?

  • Anonymous Mar 22, 2014

    need to get to the power window motor

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This is caused by a problem in the Body Control Module, have it tested for trouble codes.

Posted on Sep 09, 2008

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I had the same problem with mine and it was the body control module kinda. If you take the cover off of you center console, the bcm is back towards your cd changer. It is all the way at the bottom and has a 15+ wire wiring harness pluged into it. The problem with mine was simply the plug was coming lose. Hope this helps and is a simple fix for you too.

Posted on Feb 19, 2013

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1 Answer

SRERO AND WINDOWS DONT WORK AFTER A FEW MINUTETS


Do your windshield wipers also stop working? If so, the most likely cause is your Body Control Module (BCM). The 1999-2000 GMC Denali was known for having issues with the retained accessory power relay solder connection inside the BCM. If you're up to the task of removing the BCM (located inside the center console- kind of a pain to get at) and know how to solder, you can fix it. Otherwise the BCM will have to be replaced.

Oct 22, 2013 | 1999 GMC Yukon Denali

1 Answer

1999 YUKON DENALI THE RADIO,WIPERS AND WINDOW LOSE POWER AFTER DRIVING ABOUT A HOUR.....THEN TURN BACK ON AFTER 30 MIN......WHAT COULD BE MY PROBLEM.


I had the same problem with mine and it was the body control module kinda. If you take the cover off of you center console, the bcm is back towards your cd changer. It is all the way at the bottom and has a 15+ wire wiring harness pluged into it. The problem with mine was simply the plug was coming lose. Hope this helps and is a simple fix for you too.

Feb 05, 2013 | 1999 GMC Yukon Denali

1 Answer

99 Denali wiring from BCM


The BCM seems to be the source of some of the problems you mention. The red wire connected to terminal F is the power source. The BRN wire connected to terminal D supplies power to the ignition switch. The DK BLU wire connected to terminal C supplies power to the wiper and radio fuses and the power window circuit breaker which probably is the source of the clicking sound in the instrument panel fuse block. Normally, with the ignition switch in START or RUN position power is applied through GAUGES fuse 4 to the instruments (not dash lights) in the cluster. I believe replacement of the BCM will solve most of the problems you describe

Oct 30, 2012 | 1999 GMC Yukon Denali

1 Answer

Intermittent electrical problem. try to use wiper or power window controls and both plus radio die. found that opening then slamming shut the console lid will most times restore all operation temporarily


i have the same truck and had the same problem, finally found a mechanic that found the problem. under the console (cd player) was a loose wire, he sautered it, has been great since.

Jan 03, 2010 | 2000 GMC Yukon Denali

1 Answer

2002 gmc yukon radio and wipers and windows stop working the I can hit middle consal and it might or might not work for a will Help


Power for those devices is provided from the retained accessory power which is controlled by the BCM (body control module) which is in the console.I had the same problem with the radio, wipers and windows all stopping. I tried running the diag procedure for the BCM but couldn't get in to run. I then read online about a loose connection in the BCM, so I took the 4 screws out of the console, got access to the BCM and removed it. inside is a small circuit board. On the back of the circuit board where most of the soldering is, there was a bad connection to a relay. Re-soldered the connection and the problem went away.

Jun 07, 2009 | 2000 GMC Yukon Denali

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