Question about Ford E-350

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I have a four part problem that started by some one wiring my trailer pig tale wrong it was the only thing done minutes before the first problem started #1 gear stick wont come out of park un less you manipulate the ignition just right. #2 Emergency flashers stopped working.have turn signals and running lights and brakelights.#3 going down the road the gas gauge went to full by its self and stayed there. #4 brake lights on both sides just stopped working today. My questions are, are they all related or seperate coincidence, and what can I do to correct them myself

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It is all related and the connections should be undone immediately. I am worried about you having an electric signal going into your gas tank which the fuel gauge gets its readings from. The signals are suppose to work on grounding and low resistence, not strong voltage.

Your Ignition switch needs a signal from a switch on the brake pedal lever which tells the truck that your foot is on the brake. There is also a switch under the dash which can be bumped or broken by hitting it with your feet. The loss of signal is suppose to keep the Vehicle in Park.

Emergency flashers work through the MFS multifunction switch on the turnshift handle. Separate flashers create the pulse to flash the lights. Improper wiring could burn out the flasher units.

On Later Ford products, the plastic cover on the Light hookup had the wiring terminals all identified. If you used an aftermarket kit, the color codes should have been assembled to match the factory colors. There is no guarantee the aftermarket units did do that.

Sometimes working on wiring is difficult if the mechanic is colorblind. Some of the better kits will have a wire connector to install in a plug under the dash between the brake pedal and ashtray. Then this harness runs as 1 piece all the way to the rear bumper. The short wire kits tap into the rear light sockets.

Some of the Electronic light flashers can sense how many bulbs are in the circuit to maintain a steady flashing rate with or without a trailer hooked up. Thats about as much as I can help you with.

Posted on May 30, 2011

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I have a 2010 F-350 supper duty 6.8 litter V-10 gas burner, the cam shaft postion sensor and pig tail wire connector was restored.I replaced both and reset the the unite by way of the battery but still...


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I am not getting power off of my trailer plug for my drivers side directional and brake light but it works on the truck. There is no power at the terminal or the wiring too the back of the trailer plug....


Id say your pig tail to the trailor is having high resistance or a wire is cracked, Follow the pigtail under bumper, It plugs into main harness, Disconnect and look for damage or a dry white powder. If everything else works as you say? And your positive the vehical being toweds lighting works on another vehical? than the pig tail is bad, replace at any local parts store

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1 Answer

Wat do i need to hook up trailer lights.


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If you are adding the hitch and do not have the four wire harness, the under hood wires from your brake controller are Red, connect to one of the studs under the distribution box cover (the distribution box is on the driver's side against the firewall. Underneath the cover are two large threaded studs which are hot from the battery all the time); and the other wire from your brake controller would have to be run the length of the truck along the frame, tied off in several places, to the trailer hitch connector on the bumper. Follow the directions that came with trailer hitch wiring connector to connect this wire to the proper pin in the connector.
If this has helped you, great, and please remember to vote/comment.
Good luck!

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1 Answer

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Green is left turn
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The four wires coming from your SUV are clearance right, left and ground

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1 Answer

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2 Answers

How do you rewire a trailer


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