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I have a 2015 platinum f150 with towing package, when I hook…

Customer Question
I have a 2015...

I have a 2015 platinum f150 with towing package, when I hook up toy hauler everything works for signals and lights. when I hook up utility 4 prong trailer lights nothing works. I am clueless

Mechanic's Assistant: Just to clarify, what are the exact lights you're talking about?

Trailer lights truck lights work fine also my backup camera quit working about the same time

Mechanic's Assistant: Are you fixing your F150 yourself? What have you tried so far?

All fuses and relays seem to be fine

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

No thats about it

Submitted: 8 months ago.Category: Ford
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Answered in 37 minutes by:
11/17/2017
Ford Mechanic: EricFromCT, Ford Technician replied 8 months ago
EricFromCT
EricFromCT, Ford Technician
Category: Ford
Satisfied Customers: 4,732
Experience: 20 years dealership exp., ASE A1-A9 L1 L2, Ford Lincoln Mercury Senior Master, Diesel Certified
Verified
A lot of times the issue is with the wiring harness for the rear tailgate and trailer connector. There are two connectors under the truck that are also prone to water entry. Disconnect those connectors and make sure they are OK and inspect the harness. If all that is OK then some voltage checks will need to be performed. Thanks
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