2011 f350 left rear turn and brake light stopped workig

140

Asked by Jan 06, 2016 at 06:41 PM about the 2011 Ford F-350 Super Duty XLT SuperCab LB 4WD

Question type: Maintenance & Repair

9 Answers

30,805

either bulb..or turn signal switch..

140

New switch. No power to the left rear turn or brake light. I do have tail light. Fuses are good. Left turn relay under hood has power on one socket but won't flash on the other

2 people found this helpful.
83,545

2011, Just replace the bulb, turn and break light are on the same filament. Probably a 2 filament bulb, one for tail light, and the other for the break, blinker light.

83,545

So you checked for power at the socket with a test light for the break light? And how about the wire running to the socket?

140

There is no power to the light other than tail light

1 people found this helpful.
83,545

Then I would try replacing the break relay, and the turn signal relay. 2011 doubt that there would be a wiring issue. Check them fuses for these circuits also.

140

I don't think there are relays. I heard it needs a dealer reset?

1 people found this helpful.
83,545

Well I haven't heard of that, but anything is possible. I just got done looking for break & turn-signal relays & do not see any for your truck. The only thing I had seen would be a hazard & turn signal flasher, break light switch, turn signal switch. So something new for me to brush up on. I would figure there is something simple to correct this. At this point the thing I would do is trace wires and look at connections. Sorry.

Now the right went out. Have the dealership put a new smart junction box in the fix the left one about seven months ago. Now the right ones out LOL

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