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2002 GET Yukon XL. Drivers side fog light works. Other side does not. Replaced bulb and the connector. Still not working. What should I look for

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  • paulmacintyre
    paulmacintyre May 01, 2015

    Make sure you have a power and ground at the plug end. If you are missing power or ground then that will be your next step in finding the problem

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If you can read an electrical schematic of your car, get one and map the direction/location of the wire harness that sends electricity to your dead fog lamp. Check the wires for current until you find current. then check the wiring between the found current spot and the fog lamp for bends/breaks or any other problems that would cause it to not carry the electricity to the lamp....if you can't read a schematic....just uncover and follow the wires back to your fuse box...carefully....not causing any problems along the way.....removing the wire harness covering and inspecting the wires...physically...by feel or by sight....looking and feeling for a broken connection or burnt wire....use an amp meter to probe the electrical current if you know how to use one......somewhere within the wire run there will be your problem....the hard part is finding it....or if you are electrically inclined....rewire the whole run back to the fuse box....and even back to the switch on your dash.....it could be the switch in your dash is faulty and doesn't make a good connection to the one bad side when switched on....so use the amp meter to find where the electricity stops in the wiring....this will tell you approximately where the problem is....use the sharp pointed probe ends to check the wire conductivity inside the plastic wire wrapping, and make sure to have a good ground spot for the other probe end or other end with a ground clamp to attach to. I like the newer amp meters that open by depressing a thumb trigger and close around the wire to be checked, reading the current through the plastic coating just by being installed around the wire in question....no ground probe and no forcing a sharp end into a small wire stuff to deal with.....

turn the switch for the fog lamps on and start probing the entire system until you find the short or dis connection.... be careful when working on the cars electrical system....any work on wires in or around the area of your air bags should be done with a great deal of caution and preferably with the air bag system disabled. Don't be abusive to any other wires in the process...

Good luck and I hope I was of some help....

Posted on May 01, 2015

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Posted on Jan 02, 2017

SOURCE: replace the fog light bulb.

you don't. you disconnect the wire on the back of the light assembly and then the bulb twists counter clockwise and pops out, to re-install reverse the procedure. the wire is accessible from below the car under a black plastic flap the pulls down out of the way directly underneath the fog light.

Posted on Oct 27, 2008

  • 65 Answers

SOURCE: how to replace bulb for fog on the front .

You can access it from behind.You have to remove splash shield and go from the underside.

Posted on Nov 29, 2008

  • 99 Answers

SOURCE: 2002 Yukon XL - No Headlights

Check the headlight fuses in the engine fuse box compartment. Not sure if the lights have relays, but they will be clearly mark in the inside of the top cover for location.

Posted on Dec 02, 2008

  • 166 Answers

SOURCE: 2002 Camry Brake lights

sounds like you nee a couple of new globes

Posted on Dec 20, 2008

gladys_neal
  • 334 Answers

SOURCE: fog lights and high beams work, but not the low beams

most likely the hi lo switch

Posted on Dec 31, 2009

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