Another trailer wiring question
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Laughing Gas
Joined: Feb 2014
Posts: 811
Likes: 292
From: KY
Another trailer wiring question
This is on my 4/99 build F250 CC 4wd. What's there as far as wiring for trailers I assume is all factory installed. It came with a hitch and a flat 4 wire plug. I needed to install a brake controller which I did easily and found the plug up under the dash. Head to the back for a 7 way install and I find 7 wires in a bundle, each labeled by ford it appears, with a small bit of heat shrink on each wires end. land those wires on my 7 way plug and find I have no brake controller power until a 30 amp maxi fuse is installed under hood for that, Ok I'll get one today. But... I still have no power to the back up light pin nor the aux 12V power pin. Thoughts???
Fleet Mechanic
Joined: Nov 2006
Posts: 1,664
Likes: 219
From: Northwest
Kick around this site. There are a lot of tips and discussions on troubleshooting.
https://www.etrailer.com/t1-2021_Ford_F-150.htm
https://www.etrailer.com/t1-2021_Ford_F-150.htm
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Laughing Gas
Joined: Feb 2014
Posts: 811
Likes: 292
From: KY
That bit of info I did not see in the manual. It would explain why I have no BU's. I will look today and see what, what. Thank you.
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