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2015 3500HD Denali LML Headlights

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      matthewwheeler0708
      Participant

      Hey everyone,

      2015 Sierra 3500HD Denali LML, headlights and brights do not work whatsoever – but all of my other lights work. New HID light bulbs and Balasts installed on both sides after first set just stopped working one day while driving. All the other lights work. I have seen different fuses and relays that different forums say may be the issue so this is what I’ve checked so far. I have checked fuse 58 (3 pin micro fuse (10a/10a) both good, relay 59 (hooked up to 12v system and can hear the relay open and close without issue) and the. Checked resistance/continuity with a multimeter while the relay was activated — .01 ohms (so we’re good there).

      Does anyone else have ANY idea what could be the issue? Please help! Thanks

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