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  1. V

    Rear LED Taillight Rapid Flash

    I suspect if the board was bad the issue would have followed when i swapped the left and right assemblies around. Pretty i sure i found the issue in the tail light harness, looks like a factory defect all the wires seem to have been pinched/cut/scored right at the plug and one has fully been cut...
  2. V

    Rear LED Taillight Rapid Flash

    All right side lights work, front and side mirror, outside of the rapid flash. Board? what/where is that. Any way to troubleshoot that?
  3. V

    Rear LED Taillight Rapid Flash

    Currently getting a Rear Right Taillight Failure on my message system along with a rapid flash when the right blinker is used, on my 2016 yukon Denali XL. Nothing is out on the rear LEDs, everything is working just rapid flashing. Even swapped the left and right taillights to see if the problem...
    • volz
    • Thread
    • blinker issues with leds rapid flash tail lights taillight taillights flashing
    • Replies: 5
    • Forum: Exterior

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