Question about 2005 GMC Yukon Denali

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2005 YUKON DENALI break light do not work

Light come on when headlights are on, but do not come on when brakes are pressed,I have changed bulbs and fuses

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: 2002 YUKON XL Denali no brake lights or cruise

FROM LUSTY KID:

Check your bulbs first, I have lost both headlights on my ford at once on account of the bulbs burning out at the same time. Same thing probably happen, you have one filament out. The lights can work, but if the filament for brake is burnt, you don't see brake lights.

As for the cruise control. Check fuse box first. If OK check vacuum hose to actuator in engine compartment for starters.
Advise:

Posted on Dec 02, 2008

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  • 1 Answer

SOURCE: brake lights/rear turn signals

I had the same problem with my 1999 Yukon. The electric board needed to be replaced. Rust starts to build up and shorts out or blows the bulb. The dealership charged $73.60 for the part and I installed it myself (Saved $30).

Posted on Jan 05, 2009

  • 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

  • 12173 Answers

SOURCE: gmc yukon has the abs & parking brake light

you have to fix the problem with ur brakes- first check the wiring ,connectors and connection clips to the abs sensors and modulator if looks ok than have truck scanned some auto stores such as auto zone / advanced auto do it for free the code will give u a start point towards fixing ur problem--visual inspection of brakes doesnt always show problem

Posted on Nov 26, 2009

jsmes1027
  • 749 Answers

SOURCE: 2005 Yukon XL Denali: Heater

Does it work on any speeds? If it still works on high then the blower resistor is bad. On the passenger side under the glovebox is the blower motor and resistor.If possible try wiggling the pigtail plugs that attach to these two components.It is not uncommon to have problems with these pigtails.Also try tapping the bottom of the blower motor to see if it will start working again.If it does The connections are poor and need repaired. If the blower will not work at all check for power at the blower motor pigtail with a test light or dvm. Will be glad to assist further if more assistance is needed.

Posted on Oct 26, 2010

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1 Answer

2007 Yukon Xl Denali can the headlight switch/dimmer cause only the tail lights to not work. Dash lights, signals, brake lights when pressed work. Both sides went out. No blown fuse or broken wires.


If front park lights are working highly unlikely headlight switch is the issue. Is the vehicle equipped with a trailer towing package and wiring to the rear? I would start there. This vehicle may also have a taillight module located under the vehicle on the passenger rear attached in the wheel well area that goes bad

Apr 26, 2015 | 2007 GMC Yukon XL Denali

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I have a 2007 Yukon denali xl. the rear rt break light doesn't work. it doesnt illuminate when braking. it does illuminate when parked. bulb has been replaced and changed with the left side to make sure it...


Dodgy connection somewhere but where ?? is the million dollar question,Does this vehicle have the illegal funny light system where the stop light is the indicator as well or is it on the europeon system with a seperate indicator light

Feb 02, 2015 | 2007 GMC Yukon Denali

1 Answer

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


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.

Nov 28, 2012 | 2005 GMC Yukon Xl Denali

1 Answer

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

Sep 30, 2010 | 2002 GMC Yukon Denali

1 Answer

Drivers side tail light lighting up at night when head lights are on but break light not working on that side. passenger side not lighting up when head lights are on but break light working on that side....


You probably already know this, however the GMC 2002 Yukon Denali uses the Wagner 3157 (or equivalent) dual element bulb. The running light uses one element whereas the brake & blinker share the other element that burns brighter.

Check to ensure the correct bulbs are being used. Then check all wire harness connections. Since the blinkers function, then it sounds like the connections are good.

It really sounds like there is a bulb issue, so check that first, then let us know the results.

Mar 11, 2010 | 2002 GMC Yukon Denali

3 Answers

2005 Yukon XL, third brake light intermittent


Remove bulb, make sure it sits tight in the socket. make sure socket is not burnt up (brown or black in color) Check bulb, if the filament inside is loose or discolored, replace as nesessary. Check brake light switch under driver side dash above brake pedal. make sure it is adjusted correctly.

Jul 23, 2009 | 2005 GMC Yukon Xl Denali

1 Answer

Tail light out but break light works on a 2000 yukon


Depend cause you got a running light and another one thats a running like along with brake light.If its the one that has the brake light and the light comes on when you brake and not when you turn on the headlights then you have a bad bulb .Replace that bulb and your set.good luck

May 27, 2009 | 2000 GMC Yukon

1 Answer

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

1 Answer

2002 YUKON XL Denali no brake lights or cruise


FROM LUSTY KID:

Check your bulbs first, I have lost both headlights on my ford at once on account of the bulbs burning out at the same time. Same thing probably happen, you have one filament out. The lights can work, but if the filament for brake is burnt, you don't see brake lights.

As for the cruise control. Check fuse box first. If OK check vacuum hose to actuator in engine compartment for starters.
Advise:

Oct 12, 2008 | 2002 GMC Yukon XL

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