Quote:
Originally Posted by Attacking Mid
Did you try plugging the right light into the left plug and vice-versa? That's how I isolated the fact I no problem with the wiring. The working light worked on either side.
AM.
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That's what I would try first. Switch the entire light assemblies.
When I had this problem (still do, but bypassed the LCM with a relay) it turned out to be a fault with the ALC (headlight leveling). When the LCM detects a non-func ALC it will disable that low beam. High beams will work if memory serves but lows will not. I still have not corrected this problem as I bypassed it and haven't had time (desire) to dig into it.
There's a thread about both the issue and my bypass somewhere on here.