trailor lights not working????
Senior User
Joined: Jun 2006
Posts: 199
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Im having the smae problem, but my brake controller lights up. If i run a ground wire from my truck frame to my trailer frame then i get lights. Otherwise there not working. Im at the point of bringing it to a pro.
Hotshot
Joined: Nov 2000
Posts: 11,591
Likes: 14
From: Pflugerville, tx
where ever the ground lead is on trailer or truck is bad.
truck frame ground to connector, from connector to trailer frame
Sam
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New User
Joined: Sep 2009
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The brakes work. I've ran a good ground also.
I wonder what the fuses control the lights?
I wonder what the fuses control the lights?
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Hotshot
Joined: Aug 2006
Posts: 17,398
Likes: 317
From: Whittier, CA
The fuses and relays for the trailer can be found in your owners manual. If you don't have one, download it here:
https://www.fleet.ford.com/maintenan...ls/default.asp
It seems unlikely that all the fuses for lights would fail at once, but it is possible if there is damage to the harness or even if too much water intruded into the connector.
I see these fuses in your manual:
#5
#34
#42
#44
#63
and relays:
#20
#21
#22
#55
#56
All of those will be found in the power distribution box under the hood.
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Joined: Nov 2000
Posts: 11,591
Likes: 14
From: Pflugerville, tx
On my F150 there were both individual circuit fuses and a master fuse..
when I put the license plate on the used trailer, it pinched the wires, and poof, blew the master fuse.. course it is in the footwell, and its SO easy to crawl on the floor from outside to look at the fusebox.. uck.. NO customer usage understanding..
just like the panel in the engine bay.. the drawings are one way, but the unit is 180 degrees turned..
Sam
when I put the license plate on the used trailer, it pinched the wires, and poof, blew the master fuse.. course it is in the footwell, and its SO easy to crawl on the floor from outside to look at the fusebox.. uck.. NO customer usage understanding..
just like the panel in the engine bay.. the drawings are one way, but the unit is 180 degrees turned..
Sam
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Jun 24, 2004 08:57 PM