Drivers side headlight loses power randomly while driving.

[Tyler Sacks]

Hello, 

I have a 2014 GMC Sierra 1500, I recently installed LED headlights, Fog lights, and backup lights that I purchased from DieselLED.com, installed about a month ago. They work great (I’m adding this info just in case you know something that I don’t). 
Recently while driving the past week or so, I’ll put the truck in drive, DTRL kick in and all lights work. I’ll get half way to my destination and realize in the bumper of the vehicle in front of me that my driver low beam is out. I’ll switch my control from “auto DTRL” to “low beams” and they’ll turn back on, but won’t last the rest of the trip. It’ll turn back off randomly and won’t stay on for “low beams”. 
 

I can go home, turn the truck off, turn it back on and the lights work fine.
 

I did check to make sure it was the bulbs and swapped them with the old ones to make sure they weren’t just faulty. Seems like I’m losing power to just the drivers side. Checked the fuses and everything looks good.

 

what could it be? Thank you in advance.

[L86 All Terrain]

The BCM will reduce voltage to LED bulbs if they get too hot. But I haven't heard of them cutting out altogether. I would check your connections and make sure they are all clean and tight. Make sure your battery cables are tight, I had a loose negative from the factory that caused some glitches. Also check ground on frame by the motor. If all is well, take the dust cap off the bad light and drive around and see if it stays on with more cooling available to the heat sink on the bulb. 

[Tyler Sacks]

Thanks for the feedback, I will give this a try!

[Tyler Sacks]

Update on the issue, installed an inline anti-flicker device off of amazon and it solved the issue of headlights going out randomly.

[BlaineBug]

Bridge rectifier?  I believe that is what it should be called?