Brake controller has no power

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Dec 12, 2015 | 11:19 PM

draboo

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Joined: Nov 2011

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Brake controller has no power

I noticed the aftermarket controller in my 03 F350 is not working. I am wondering where the fuse(s) might be located. Under the hood? Are they fuses or relays?

Thanks for any info.

Brad

Dec 12, 2015 | 11:58 PM

navistarnut

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Joined: Aug 2015

Posts: 3,910

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From: NW IA

Quote:

Originally Posted by draboo

I noticed the aftermarket controller in my 03 F350 is not working. I am wondering where the fuse(s) might be located. Under the hood? Are they fuses or relays?

Thanks for any info.

Brad

Your best bet is to simply find the hot wire that feeds the controller and follow it back to where the fusible link happens to be. Any aftermarket controller I have installed or seen came with one. If not then you will have to figure out where the hot side ties in and trace that back to whatever circuit it's on.