2000 F350 No Trailer Brake/Turn lights. - Ford Powerstroke Diesel Forum
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Old 04-09-2013, 05:29 PM

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2000 F350 No Trailer Brake/Turn lights.

towed a trailer for the first time since i got my power stroke and noticed I have Running lights, but no Brake/turn signals.

I checked both under hood fuses (7.5 amp) and both Ohmed out good. with the ignition on, both has 12v to them.

all wiring connections looked good at the plug end. By myself it was hard to to check for voltage at the plug itself however. My old meter does not react fast enough to check turn signal voltage changes. Gonna bring my meter home from work tomorrow to try again, but best i can tell it is not getting voltage to the plug.

My main concern however is if my brake contoler is working as i plan on towing about 12k this weekend and NEED it working, and plan on checking it as soon as i have some help to do so. I check wiring at the controller and i get voltage to it, and out of it, but once again can't check at the plug alone.

But as for the lights, i am stumped, without tracing individual wires back, i am not sure. are there any other relays/fuses specifically for the trailer setup?
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Old 04-10-2013, 05:56 PM
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Bump for this fellow.
I had the same problem last time i pulled a car, weird this is that it worked perfectly a few months before that.

Havent had time to check for myself yet.
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