Yes, I believe that's my problem too. It was a few years ago so my memory might be hazy. But taking the brake wire out of the LCM, it gives me the proper signal all the time EXCEPT when my left turn signal is on. If the left turn signal is on the brake signal blinks with the turn signal. I feel like I determined that there was a logical reason for this back when I wired it up, but I can't remember what it is now.

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2003 3.0 5MT Topasblau
Purchased in 2016 and sold in 2024
2012 35d Platingrau