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Trailer light issue solved #13697960 09/11/20 11:27 PM
Joined: Jan 2004
Posts: 2,346
rb7764 Online Content OP
Extreme Angler
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Joined: Jan 2004
Posts: 2,346
Just sharing in case this can help someone. Coming back from lake today, noticed right brake/signal and right reverse lights were not working. Right running lights and side lights were working fine.
Trouble shooting for a while looking at voltage, ground continuity, bulbs/fixtures, etc. yielded nothing. The only clue was the voltage was a little lower on the turn/brake hot wire than the running light hot wire. Traced the issue to the 7 pin round to 5 pin flat adapter. The 7 pin that goes into the truck usually gets a little dirty. But, the issue was with the 5 flat female receptacle. A little cleaning and it is working great again.

Guess I will add that to my maintenance schedule.

Re: Trailer light issue solved [Re: rb7764] #13701291 09/15/20 01:20 PM
Joined: Nov 2003
Posts: 5,964
Holzer Online Shocked
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Good tip.
Thanks for sharing what you found.
I almost always go straight to the ground without even checking.

My pic is gone frown
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