Same ol' left signal/trailer light issue

NOHEARTBEAT · 03-06-2008, 07:50 PM

Hey folks,
Someone give me the quick answer again on how to fix the Titan left signal/break light woes when hooking up to my trailer.
1st. Its Not the relays, or any fuses that I can immediately see.
2nd. I've seen this question before, but no definative answer.
3rd. Last thread in 2006? mentioned fuses under drivers side dash left or right of steering wheel.
My Titan worked fine with trailer last week, and little brothers chevy works fine with trailer now...so its NOT a trailer issue either.

ITS SOMETHING WITH MY 04 TITAN (only the left hand side back to the trailer.)
Thanks in advance for the someone with the quick answer and fix.

predator176 · 03-06-2008, 09:11 PM

I can remember the name of the harness but there is a harness that has been recalled on certain trucks. There is a fuse in the harness for the left trailer lights, fuse blows on occasion and lights fail

AZTITAN78 · 03-07-2008, 06:46 PM

I believe it was the BCM harness that was on the Recall.

young dank · 03-12-2008, 08:42 PM

BCM recall. put a test light on the pins and turn lights on and check them

**loufish** · 03-12-2008, 09:47 PM

The BCM controls left/right trailer signals...
Here's the scematics for the trailer/exterior lights: