signal lights 2008 f250

Asked by Jan 12, 2016 at 09:01 PM about the 2008 Ford F-250 Super Duty

Question type: Maintenance & Repair

2008 f250 both rear blinker work but blink fast,
front ones do not, all bulbs are good, fuses are
good. What could it be?

3 Answers

90,955

Most common is lamp sockets followed by wiring trouble, after you have checked those and still have a problem then check the switch itself, it may not be correcting the circuits properly.

15

Relay issue possibly

just paid ford for a new smart junction box$200 and $70 to program it. it controls all lights I had no low beam and all fuses were fine. now my Turn signals flash fast as if a bulb is out. it is how it was programmed .

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