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Old 05-21-2009, 01:36 AM   #18 (permalink)
cvaldejo
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Post Re: Trailer Lights and Wiring Harness

Quote:
Originally Posted by loufish View Post
To the OP:

Turn/brake signals come from the BCM and a very popular TSB as already posted adds 2 "hidden" fuses in a BCM harness adapter.

These 2 extra fuses are pretty much unknown to Nissan techs & service writers, they are also NOT included on wiring diagrams...

2005 Titan KC - wiring harness problems!!!

Okay, here is the thing.. I have a wiring harness problem.. A tree branch dislodged the trailer adapter (which is a 7-way and 4-way flat that has a 5-way spliced into the adapter) from the bumper of my 2005 Titan KC during a hurricane. However, the trailer adapter was still connected to the OEM plug on the truck. When I hooked up the boat trailer, none of the lights were working. U-Haul installed the hitch and trailer adaptors, so I took it to them. The tech checked the fuse, which was blown, and after replacing the fuse, only the right side lights were working. He replaced the relays, but still no lights on the left side. The tech could not find the problem after spending half a day working on it, so I went to another hitch installer, and they recommended I go to the dealership, because he suspects it could have something to do with the BCM.

I went to All About Nissan and cannot seem to find the TSB about the 2 hidden fuses in the BCM harness adapter... Any thoughts on locating this?

Also, I am taking the truck to the dealership tomorrow, but want to ask if the service techs know about the 2 hidden fuses in the BCM harness adaptor you speak of? Or should I mention this to them?


Thanks,
cvaldejo
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