Hummer Forums by Elcova - Trailer Electrical gremlin

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- - Trailer Electrical gremlin (http://www.elcovaforums.com/forums/showthread.php?t=39846)

Eric1h

07-14-2010 04:54 PM

Trailer Electrical gremlin

My 03 H2 has a problem with the brake lights for the trailer...
The brake/turn lights work fine ON the truck, but the left side lights on the trailer/ 7 pin connector don't work.

I tried 2 separate trailers and checked voltage at the connector. The left side brake/turn lights have no voltage...

I could not find a fuse for the trailer lights...

Any clues?

pdsq99f4

07-14-2010 05:24 PM

Re: Trailer Electrical gremlin

The LTTRLR and RTTRLR fuses are in the IP fuse block on the left side of the dash.

Eric1h

07-14-2010 07:11 PM

Re: Trailer Electrical gremlin

AHA, forgot all about those fuses!! Thanks! That was it.(only been like that for like 2 years lol)

jarek m

07-16-2010 02:39 AM

Re: Trailer Electrical gremlin

LOL! yesterday I traced "no running lights on the trailer" all the way up the wire harness to the blown fuse under the hood :soapbox: on my RAM. Factory tow package, who new...:shhh:

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