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Thomas, Ford Mechanic
Category: Ford
Satisfied Customers: 1543
Experience:  15 years Ford experience. Gas and Diesel certified. by Ford and ASE
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2000 f350. no power to the trailer plug.

Customer Question

2000 f350. no power to the trailer plug. no fuses blown
Submitted: 5 years ago.
Category: Ford
Expert:  Thomas replied 5 years ago.
Hello and welcome to Just Answer! I will do my best to help you today. Do you mean the 12v power that goes to the trailer is out but all lights are ok?
Customer: replied 5 years ago.
yes all lights work on truck. none to trailer plug
Expert:  Thomas replied 5 years ago.
Ok nothing at trailer tow connector works. Have you checked it with a test light or another trailer to make sure the problem is not in your trailer?
Customer: replied 5 years ago.
tested with light no power.
Expert:  Thomas replied 5 years ago.

Ok i have been looking at the diagrams, I think the problem must be it your trailer tow connector on the back of the connector ( if it hasn't been replaced with another style) the harness plugs into the connector. I have had the clip break and the connector back off.

Here are the diagrams of the system.graphicgraphic

Customer: replied 5 years ago.
new trailer plug installed two weeks ago. was working fine this morning. till i started to wire the trailer up to the truck. then thought i might have blown a fuse
Expert:  Thomas replied 5 years ago.
I know you said the lights are out all of them are? Do brake lights or signals work? Reverse lights?
Customer: replied 5 years ago.
yes. all lights work on truck
Customer: replied 5 years ago.
checked all fuses 4 times now. still no power
Expert:  Thomas replied 5 years ago.

I wasn't asking about the truck , I was asking about the trailer lights does anything work?

Brake lights, turn signals. marker lights and reverse lights are all out

Expert:  Thomas replied 5 years ago.
Sorry for the confusion, I am here when you need me.

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