Both Tail LIghts, both Brake lights and both Turn Signals do not work - F150 2010

Asked by May 20, 2012 at 04:02 PM about the 2010 Ford F-150 FX4 SuperCrew 4WD

Question type: Maintenance & Repair

Just quit working all at once

10 Answers

375

more than likely, it's a fuse. the fuse block is either under steering wheel on the left or under the hood on top of the left wheel well.

2 people found this helpful.
565

sounds like a fuse

1,425

if that does not work, your multi-function switch is kaput.

Did you ever find a fix for this? I have a 2010 f150 with the same problem. Accept mine is also the reverse and tail lights.

...Not tail lights, license plate lights

The wiring look from factory in the steering column is short sometimes. And from moving the wheel up n down it can come loose.

10

Has anybody found a fix to this problem? Tail lights, brake lights, reverse lights, liscense plate light are all out. The whole back half of my truck has no lights

1 people found this helpful.

Check rear wiring connector mine does this often have to get out and wiggle connector it seems to be a three piece connector have not found good fix yet,don't won't to replace complete harness

20

I had the same issue on my 2004 F-150 FX4. no brakes no blinker - running lights worked - intermittent reverse lights working. The strange part was that all my trailer hookups worked just fine- trailers both 4 way and 7 way connectors worked 100%. After spending a couple days under the truck I traced all the wiring back testing each coupling with the multimeter for blinkers brakes runn lights etc. On my truck, the rear light banks actually are the last thing to split off of the main wire harness and actually came out after the trailer hookups. I was receiving good signal there at the last coupling on the multi meter but lights were dead. I patched in a couple of wires and ran them directly to the blinker and it worked. It seems that the wiring shorted or broke or failed in some way between the last connector and the actual light banks - probably in the Y junction that breaks out to Left and Right about 2 ft past the connection. I was hoping I had the same "jiggle and pray" solution others have reported but no go. I am ordering a new factory cable harness and will install and report back. Oh and if you are new to this problem - you will need to drop the spare tire to see and access all these wire harnesses.

1 people found this helpful.
20

Also I might mention - in the interim as I do not have the luxury of a spare vehicle - I bought a cheap set of magnetic tow lights and placed them on the back of the truck and hooked them into the 4 way trailer connection -- It's not pretty - but it keeps me on the road and legal until I can get the wiring harness replaced.

1 people found this helpful.

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