Wiring harness
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Wiring harness
Ok folks, im looking for a new wiring harness for my 1986 f150 w a 460 swap. Where is the best place for find one? Is the Ford universal harness from painless wiring worth investing in? Are there any other harnesses worth looking into? Id rather not going junk yard hinting!
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From: Virginia
No one makes new wiring harnesses for these trucks, especially a non-stock one. Do you have anything special on your truck like a different alternator or ignition system? If it is all stock, then I can assume you just need a harness for a 351w equipped f150. Or a earlier 302 harness would probably work since they were not fuel injected.
If you are going to buy a aftermarket universal harness, you might as well make your own. I am not sure what situation you are in right now, but you are probably not wanting to cut and splice and add new wires to make what you have work. Well that is exactly what will happen with a new universal harness. None of the factory plugs will fit for your components, you you end up using all your old wiring plug ends and splicing them in place so it all plugs up. If you are going to have to do all that you might as well keep what you have and cut and splice on it. Plus the Ford wiring diagrams will still work if you keep most of the underdash harness and the rear lighting harness intact.
If you are going to buy a aftermarket universal harness, you might as well make your own. I am not sure what situation you are in right now, but you are probably not wanting to cut and splice and add new wires to make what you have work. Well that is exactly what will happen with a new universal harness. None of the factory plugs will fit for your components, you you end up using all your old wiring plug ends and splicing them in place so it all plugs up. If you are going to have to do all that you might as well keep what you have and cut and splice on it. Plus the Ford wiring diagrams will still work if you keep most of the underdash harness and the rear lighting harness intact.
Laughing Gas
Joined: Apr 2013
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Is there a particular part of the wiring harness you’re looking for? If your F150 was a Duraspark system and you’re going to use a mechanical fuel pump on the 460 and keep the Duraspark ignition system the existing wiring should pretty much be plug and play.
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Nothing spectacular has been done to the truck. Just ypdated what had to be done to go from 300 to 460. **** has been fixed, bypassed, spliced, etc and it's a nightmare! Granted, most of it i did. I just want it cleaned up without having to cut frankenstein a new harness.
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Not true. All fuel injection to this day has some sort of idle control and throttle position sensor. Of course now they have throttle by wire.
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