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AboveGroundPool
LSU Fan
the basin
Member since Aug 2010
3544 posts

Rewired trailer lights, OB electricians needed

I put an entirely new trailer light kit on my duck boattrailer this week, everything worked perfectly after I did it, backed the trailer in the water twice to launch and pickup later that evening, only the back right trailer light would come on when I hit the brakes, nothing else worked. All grounds seem to be fine (plug ground on the trailer, each light is grounded to the trailer...can't figure it out, checked all bulbs and they seem to be fine, any ideas?


Nodust
LSU Fan
Member since Aug 2010
19138 posts

re: Rewired trailer lights, OB electricians needed
I would check the grounds but sounds like you already did. Get some electrical cleaner spray and spray your plug in, could be dirty or corroded just enough.

Check the grounds again. 95% of my trailer light problems have been the ground, even when they looked good


AboveGroundPool
LSU Fan
the basin
Member since Aug 2010
3544 posts

re: Rewired trailer lights, OB electricians needed
everything is new, except the female plug on my truck, worked fine on the bass boat today, im always told it's the ground 99% of the time, someone told me the the lights should share a ground wire across the back of the trailer, don't see y I need to do this since they're grounded to the trailer, trailer lights drive me crazy


Nodust
LSU Fan
Member since Aug 2010
19138 posts

re: Rewired trailer lights, OB electricians needed
quote:

someone told me the the lights should share a ground wire across the back of the trailer

Don't see how this would help because of
quote:

since they're grounded to the trailer


Also could be a wire got nicked through the insulation and is going to ground where you don't want it to.

quote:

trailer lights drive me crazy

Yes they do


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magicman534
LSU Fan
The dirty dell
Member since May 2011
216 posts

re: Rewired trailer lights, OB electricians needed
Check ur fuses for the trailer in ur truck fuse box. I have on in the truck, and one under the hood.


2indapink
Member since Mar 2012
419 posts

re: Rewired trailer lights, OB electricians needed
If it was a fuse, none of the lights would work. Go buy LED's and be done with it. If the new ones are LED's, then it is a ground. Clean your trailer ball with emory cloth and then check the wires for broken insulation and maybe rough up/expose/clean the trailer where the ground is for each light.


jsmoke222000
LSU Fan
Lake Charles
Member since Oct 2007
4348 posts

re: Rewired trailer lights, OB electricians needed
quote:

Go buy LED's and be done with it


Drop4Loss
Birds Eye Of Deaf Valley
Member since Oct 2007
2314 posts

re: Rewired trailer lights, OB electricians needed
I always hard wire the ground to all lights at the bulbs

Screw the one ground to the whole trailer..........


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failuretocommunicate
LSU Fan
Lafayette
Member since Dec 2007
628 posts

re: Rewired trailer lights, OB electricians needed
Had this exact situation occur last year. Spent all damn day screwing around with it. Turns out the fuses for the truck plug were out. Changed them and bingo......we've got lights.

eta.....there were two fuses....one for left and one for right.
This post was edited on 11/19 at 9:09 am


AboveGroundPool
LSU Fan
the basin
Member since Aug 2010
3544 posts

re: Rewired trailer lights, OB electricians needed
i'll check fuses but it works fine with the bass boat lights...i'll clean the trailer ball and probably rewire all grounds and see what happens


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meauxjeaux2
Boise State Fan
watson
Member since Oct 2007
51773 posts

re: Rewired trailer lights, OB electricians needed
quote:

Go buy LED's and be done with it. If the new ones are LED's, then it is a ground.
I have LED'S on mine and my running light on the right side went bad. Don't know how since they're supposed to be completely sealed.


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