Question about Ford E-350
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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Posted on Jan 02, 2017
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