EASY Fix for Low Beams that turn off randomly? Here is an easy fix. Try replacing the headlight relay. If your headlights aren't working, turn off randomly, or turn off while driving, it could be as easy as replaying the relay. It's the HDM relay no. 46 under the hood.
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ACDelco 15016745 Multi-Purpose Relay
Tags:
Envoy
Trailblazer
Headlight Problems
Headlight Repair
Low Beams Not Working
Easy Fix
HDM Relay
HDM Relay #46