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Old 03-16-2010, 05:06 PM
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trailer to truck

This may be a dumb question butttt

I've been fooling around trying to find a short in the ground wire on my 25 foot gooseneck. Couldnt find a short anywhere.

So I almost gave up and was moving the trailer back to its spot and I noticed as I backed up the lights worked......

So I hop in the back of the truck and start pushing the trailer back and forth, the light went on and off.

Question, does the hitch portion of the trailer need to be rust free where it connects to the ball of the truck?
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Old 03-16-2010, 05:12 PM
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Quote:
Originally Posted by TXbroker View Post
This may be a dumb question butttt

I've been fooling around trying to find a short in the ground wire on my 25 foot gooseneck. Couldnt find a short anywhere.

So I almost gave up and was moving the trailer back to its spot and I noticed as I backed up the lights worked......

So I hop in the back of the truck and start pushing the trailer back and forth, the light went on and off.

Question, does the hitch portion of the trailer need to be rust free where it connects to the ball of the truck?
Depends on how you have the ground wired. If it is wired to the trailer then yes. If you have your ground ran through the wiring. Then no it should not matter.
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Old 03-16-2010, 05:13 PM
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Originally Posted by bigcountrysg View Post
Depends on how you have the ground wired. If it is wired to the trailer then yes. If you have your ground ran through the wiring. Then no it should not matter.
All lights ground to the trailer trough thier bolts, no ground through the whole trailer except for the brakes,
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Old 03-16-2010, 05:13 PM
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It helps that the ball is rust free, but you have a short somewhere. Wherever you have your ground on your trailer, you have to make sure it's clean and almost down to bare metal with no paint. I've had so many ground issues with trailers, than I would care to remember and always goes back to the ground on the trailer!!! Always!!
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Old 03-16-2010, 05:20 PM
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Nothing like rust free balls
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Old 03-16-2010, 05:22 PM
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Originally Posted by TXbroker View Post
All lights ground to the trailer trough thier bolts, no ground through the whole trailer except for the brakes,
Do you have a ground wire going to the trailer that connects to the truck. If not that is your problem.

If you have the factory wiring harness and connector for your trailer lights on your truck. Then there should be a white wire which is your trailer ground.
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Old 03-16-2010, 05:23 PM
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Originally Posted by choctaw View Post
Nothing like rust free balls
Mike is reminiscing about the 1920's...
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Old 03-16-2010, 05:27 PM
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Quote:
Originally Posted by bigcountrysg View Post
Do you have a ground wire going to the trailer that connects to the truck. If not that is your problem.

If you have the factory wiring harness and connector for your trailer lights on your truck. Then there should be a white wire which is your trailer ground.
White wire goes to the breakaway battery box and breaks only. Been that way since we bought it,
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Old 03-16-2010, 05:30 PM
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Quote:
Originally Posted by TXbroker View Post
White wire goes to the breakaway battery box and breaks only. Been that way since we bought it,
Factory wiring is White ground, Blue brakes. So I a can assume you do not have factory trailer connector on your truck.

I am dealing with my trailer wiring right now as well. Trust me I been studying the wiring diagram quite well and the book I have does not show any difference between my year truck and your year truck.
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Old 03-16-2010, 06:02 PM
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Blue is power gain signal for trailer brakes on my truck as well...
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