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Tail lights mixed up???

Discussion in 'GM Electrical Tech' started by Kdogg05, May 17, 2010.

  1. Kdogg05

    Kdogg05 Rockstar

    Truck is haunted again! All of a suddon my trailer lights are mixed up. The truck left signal is on and the trailer flashes right. to prove it wasnt the trailer I used a test light and both the left and right turn connectors lit it up. kept trying it and sometimes just the right was flashing not even the left. is there an external circuit board that could be shorting out maybe? the left trailer turn fuse was blown out so I replaced it and its still mixed up. Any help greatly appriciated.
  2. bigdaddy77084

    bigdaddy77084 Rockstar 4 Years 500 Posts

    Might have a short in the back..for the trailer lights
  3. Kdogg05

    Kdogg05 Rockstar

    and its an 05 silverado 1500

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