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  1. B

    No brake lights, turn signal or flashers.

    There are 2 filaments in one bulb. One filament is for the brakes/turn signal/haz….the other filament is for taillights
  2. B

    No brake lights, turn signal or flashers.

    Checked the end receptacle and I was able to get voltage on the brake pin reading 12.07v also the same for hazards and turn signal. Also tested rear brake, flasher, and hazard ends and was able to get a 10-12v on all pins when I triggered the function. At this point I’m almost positive it’s the...
  3. B

    No brake lights, turn signal or flashers.

    Never used the trailer lights. How would I verify that?
  4. B

    No brake lights, turn signal or flashers.

    All chassis grounds are corrosive free and are not frayed. Checked the harness and plug for trailer lights. I’ve been looking at the diagram, could it be the FET in the junction box that went out? I’ve actually bought a bcm/junction box and replaced it. It’s used but the truck doesn’t start...
  5. B

    No brake lights, turn signal or flashers.

    Man thank you! I’ve been dealing with this for a couple weeks and really need to get this resolved. I will take a good look tomorrow. Give u an update
  6. B

    No brake lights, turn signal or flashers.

    Yes it was hit and repaired in October of last year.
  7. B

    No brake lights, turn signal or flashers.

    I have a 2015 EL XLT and has been giving me hell with at first intermittent brake/turn/flash…now they have completely gone out. Bulbs are fine and even turn on the other filament that runs the rear lights in the back but the other filament never illuminates on both sides. Front turn and flashers...
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