Question about 2005 GMC Yukon Xl Denali

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Gave a jump start and now headlights don't work on a 2005 yukon denali

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Sound like battery has weak or battery terminals and post need cleaning. have battery charged and checked, if battery good. alternator not charging battery. if battery over 5 years old more likely battery is bad.if battery too weak head lights wont turn on battery dead this time of year if battery old. cold weather will finish it out.

Posted on Nov 28, 2012

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Posted on Jan 02, 2017

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SOURCE: 2005 yukon denali, a/c worked fine until battery died

Turn ignition switch ON then OFF then depress and release gas pedal 5 times to reset the computer. Worked for me.

Posted on Jul 28, 2009

  • 1 Answer

SOURCE: climate control 04 yukon denali

Removing the fuse for a few minutes and turning the controls on both driver side and passenger side to the highest setting and then turning them down slowly until the system started cooling has worked for me. Thanks for the suggestions---saved me $2500.00 on a useless dealer estimate to fix problem. These dealers are dangerous---they were the ones that caused my problem when they unhooked the battery while replacing my ignition switch.

This is a good forum.

Posted on Aug 12, 2008

  • 94 Answers

SOURCE: 2005 gmc yukon xl denali service ride control

it has to do with your air ride suspension best bet is take it to the dealer there is probably a problem with a level sensor. hope this helps you

Posted on Mar 16, 2009

  • 36 Answers

SOURCE: 02 yukon denali security light stays on will not

Several GM products, including the Chevrolet Impala and Malibu, the Oldsmobile Alero, the Pontiac Grand Prix, and Saturn Ion, have issues with the Security light coming on. This is many times an indication of a failing Body Control Module (BCM). Initially, the Security light will come on then go off, progressing to a constant on light, before the car will refuse to start. Other symptoms may include erratic action of electronics, a clicking sound coming from the glove box, and the air conditioning failing to blow cold air. I recommend a shop that specializes in the electronic systems of vehicles to diagnosis and make the necessary repairs. They should keep the car until they replicate the symptoms described. A new BCM from GM should cost about $230; plan on another $200 for them to diagnose the problem, replace the unit, and program the new unit. The dealers quote between $700 and $1,100 for the same repair. My experience and the experiences I have read on the internet, indicate the new BCM should last only about a year.

Posted on Aug 14, 2009

  • 4044 Answers

SOURCE: needs a jump every day

It sounds like the battery has a dead cell in it. Replace the battery. If you have an alarm installed remove the in line fuse from the alarm and see if that stops the battery drain.

Posted on Oct 11, 2009

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2005 GMC Denali battery issues


most likely a engine or body ground could have been damaged or left of altogether by trans guy.

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I changed the steering column on my 2005 Yukon Denali and now it will start but won't stay running.


You probably interrupted the antitheft system. This link explains.

http://vatspasslockpasskeysecurityhelp.yolasite.com/

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Cannot find the low pressure ac service port on my 2005 yukon xl.


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Sep 12, 2011 | 2005 GMC Yukon Xl Denali

1 Answer

My 2005 Yukon denali won't start, I have replaced the fuses, relays, the starter, the ignition switch, battery, and removed the alternator and had it checked. The truck still will not start without me...


My guess would be the anti theft security system. When this system starts to fail, it turns off the starter from the ignition. The fact that you can hard start it proves this. Read this link for symptoms, info, pictures, and solutions to this problem. http://vatspasslockpasskeysecurityhelp.yolasite.com/

Jun 12, 2011 | 2005 GMC Yukon Denali

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2002 gmc Yukon denali Left head light only works on Hi-beam. Also left licenses plate light not working as well


i would try replacing those bulbs,the headlights are dual filiment and can work on just high beam and not on low beam,so start there and replace your bulbs

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2005 yukon denali, a/c worked fine until battery died


Get the climate control computer relaced or reprogrammed. There is a good chance that when your vehicle was jump started it fried the climate system.

Jul 05, 2009 | 2004 GMC Sierra

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I have a 2005 Yukon Denali and the daytime running lights won't come on at all both left & right. I have swapped relays, checked fuses, and looked at lights. Right side is ok. Left side would be harder...


Just replace the bulbs,they don't last that long.The trick is remove the headlights,there is (2) pins on top of headlights.
Remove the pins and pull the headlights out the way.The light sockets are right below!

Mar 31, 2009 | 2005 GMC Yukon Denali

2 Answers

Front driver seat adjustments. Push control forward seat goes back; push control back seat moves forward. Easy exit feature moves seat forward


probably the switch is installed backward in its cover so remove the switch and rotate it and put it back

Nov 19, 2008 | 2005 GMC Yukon Xl Denali

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