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2012 Engine Bay Wire Harness. Need Help ASAP

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Old Dec 23, 2024 | 09:29 AM
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Angry 2012 Engine Bay Wire Harness. Need Help ASAP

Hey everyone, I have a 2012 V8 5.0 Lariat, and after looking for corrosion in the harness/ wires running out of the engine bay and down the side of the cab, then changing an o-ring in the coolant Y, suddenly the truck started telling me I have no fuel.

I know I have half a tank of gas, and the engine starts then dies instantly. I have looked far and wide for either the wires that control the fuel level and pump, or what could have caused this. I did undo the main connector, and looked at some previously spliced wires that I did no do.

If anyone has any idea on how to fix this, I would appreciate insight. As well, I cant seem to even find the part number for the harnesses. I see them for every other vehicle but not my specific truck.
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Old Dec 23, 2024 | 09:31 AM
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at this point, the wire harness is probably long ago discontinued from ford

check fuse 27 in the under hood fuse box and check for melting
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Old Dec 23, 2024 | 09:33 AM
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I will check the fuses again. Worst thing with this all is I'm in a panic trying to find how to fix this. I've looked into wire diagrams but cant seem to pinpoint anything, damn near want to bypass the whole connector and splice it all together.
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Old Dec 23, 2024 | 01:42 PM
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I would leave this posting as-is and start an additional posting in the

2009 - 2014 Ford F150

section of this forum. Ask if anyone has the wiring diagrams and restate your issue.
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