Question about 2003 GMC Yukon

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My brake lights on my 2003 Yukon do not work....the 3rd light works, i replaced the Brakelight switch and checked fuses. Do anyone know what may be the issue?

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Chances are the problem is the turn signal switch.
Someone would need to check the circuits going in and out.
The third brake light passes by the switch, the rest go thru it.

Posted on Jan 17, 2013

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Posted on Jan 02, 2017

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  • 375 Answers

SOURCE: 1998 gmc sierra brake lights

did u check that they not burn?if not you should Check the wires going into the steering column if you don't have separate turn signal lights and brake lights because if they use the same bulb then the turn signal may be bad. If I remember correctly that particular car doesn't work this way, but I include it just in case.

Posted on Jun 29, 2008

  • 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

  • 104 Answers

SOURCE: No brake lights on 95 Suburban

Disconnect electrical connector to brake switch brake located near brake pedal. Check for twelve volts or power with a test light on one side. If power, get a piece of wire, strip the ends and plug into each end of connector. If brake lights works, switch is bad. If not, check bulbs and power in the brake light socket. If no power, check to make sure power is leaving the trafficator switch as the brake light switch is depress or bypass. Check for broken or bad connection along circuit. If all good, you could have a trafficator switch problem. Oh, are the hazard and trafficators working in the rear? If they are, the trafficator switch is bad because the brake switch sends power there, then out to the back through the left and right rear trafficator wires.

Posted on Jun 14, 2009

  • 2 Answers

SOURCE: 2007 Yukon tail stop lights wont light up

It sounds like the brake switch, that is usually located along the shaft of the brake peddle under the dash, these sometimes are in a bracket for ajustment may not be able to depress switch. Falow starting at peddle go up to dash, you should be able to see it. Hope this helps.

Posted on Sep 08, 2009

alicantecoli
  • 22219 Answers

SOURCE: If our upper brake light in our 2003 Yukon is out,

the two are not on the same fuse the top light is a bulb or the wiring ,the cruise ??

Posted on Mar 20, 2010

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