Trailer lights not working, Ground issue's? - Ford Truck Enthusiasts Forums



Trailer lights not working, Ground issue's?

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Old 03-17-2011, 09:22 PM
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Trailer lights not working, Ground issue's?

Hello all, I am having a problam with my trailer lights not working right. But when I hook them up to my dad's truck they worked fine. So I rehooked them up to my truck and again they are not working properly. I then thought to run a jumper ground wire from my truck to the trailer, and now they are working fine. Ran the jumper from my hitch pin and the trailer latch.

So do I have a bad ground on my truck and if so where do I look? shouldn't the truck and trailer be grounded together through the hitch? Last time I towed I didn't have any issues.

Thanks.
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Old 03-17-2011, 09:31 PM
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you want it grounded through the plug. grounding through the coupler can cause issues like blinking lights, blown bulbs, braking issues to name a few. Check the ground through the plug, more thatn likely there is just some corrosion.
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Old 03-17-2011, 09:33 PM
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Do not rely on the hitch to provide proper ground. Check all connections of your wiring, and the ground wire. Take your time, and never assume that when a trailer is hitched, it's ready to go. Let us know how we can help.
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