Question about Ford F-150

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Headlights Smelled insulation burning, pull over. Headlight switch. Heavy orange/black hot in (connection "A" on the switch) has some insulation burnt within a few inches of the connector block, and switch itself has more melting there, BUT... The wires that actually burnt insulation and filled the cab with smoke come off connection "R" on the switch. These are burnt bare as far as I have traced them, they split and go into wire bundles left and right from switch. Can't tell you color code, no insulation left. Turn signals still work, brake lights no, that must go through the headlight switch. I'm thinking if I can find a wiring diagram telling me where wires from "R" go, I can run new wire without physically tracing the bare copper. I already have the instrument panel and most of the dash on my living room floor. Truck still runs. Speedometer hasn't worked in a long time, but for in-town, I don't need it. BTW, which wingnut designed the dash connector for the speedometer cable? Ford did NOT have a better idea that day. About half of what LMC calls "instrument cluster plate 'D'" disintegrated when I pulled it. No problem with the printed circuit, but I will have to blow $80 on a plastic box to get the wire bundle connector to make contact with sais printed circuit.

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1. electrical problems are the hardest one for the cars, houses, apartments and etc.
2. I owned a Union 76 services station and a car stero, CB, TV specialist shop in LA. CA, if I were you, I will go to the junk yard and get a whole set of the wire to put it in, because all the wire connect together, there are many terminals, if you take to the car repaired shop or dealer, it will cost you a lot of money.
3. When you change this kind wire yourself, you have to watch out ;

a. Do not unplug any wire connecters at the same time, it will cause you some confusion.
b. Be sure give the model of your car clear to the junk yard to let them find a right part.
c. If you have the right part, remove your connecter one at a time and or you can write it down every step.
d. It is a big headache, believe me. Maybe you have a better way, because you know your car better than I, I trust you can manage right.
e. watch out the circuit board

Good luck my friend, if you need more help, I like to discuss with you.

Posted on Jul 06, 2008

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