Recent content by 76 gmc k15

  1. 7

    76 k15 strange lighting issues

    I would like to thank everybody for their help, it turns out it was the trailer plug it had a frayed wire that when it would touch metal it would cause all the weird lighting problems so I would like to thank everyone for there help.
  2. 7

    76 k15 strange lighting issues

    Just wondering, but would a trailer plug in the rear bumper do this.
  3. 7

    76 k15 strange lighting issues

    Thank you, sirrobyn0 and snoots, a friend mentioned to me today that the wires between the cab and bed could have been for a accessory such as a fuel tank with electric pump
  4. 7

    76 k15 strange lighting issues

    I forgot to add Thank you any help is appreciated
  5. 7

    76 k15 strange lighting issues

    Hello everybody, on my 1976 k15, when I push the brake the gauge backlights come on and the front and front side markers come on. Also when the right turn signal is on all the turn signals flash and the right front side markers does not flash. Also when the 4 ways are on the front side markers...
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