Question about 2003 Ford F250 Super Duty Crew Cab

2 Answers

2003 F-250 Flashers won't work

The flashers and blinkers in our F250 quit working. We had a problem with the power control center (fuse block) in the cab and replaced it but still nothing. We have checked the 3 flasher units and the relays and we have no shorts. The tail lights and headlights both work.
Can you help?

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  • Anonymous Mar 20, 2014

    Have checked 1 and 5 fuses replaced flasher ,still no power

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2 Answers

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  • Ford Master
  • 4,369 Answers

I'm leaning towards a bad multifunction switch on your steering column.

symptom chart

  • The turn signal lamps are never on
  • Central junction box (CJB) fuse 27 (15A).
  • Circuitry.
  • Electronic flasher.
  • Multifunction switch.
  • CJB.
  • Go To Pinpoint Test K .



  • The hazard lamps are inoperative
  • Central junction box (CJB) fuse 18 (20A).
  • Circuitry.
  • Electronic flasher.
  • Multifunction switch.
  • CJB.
  • Go To Pinpoint Test M .


Multifunction Switch Removal and Installation
  1. Remove the ignition switch lock cylinder.
    1. Insert the ignition key into the lock cylinder and turn to the RUN position.
    1. Push the ignition switch lock cylinder release tab with a punch while pulling out the ignition switch lock cylinder.
2003 F-250 Flashers won't work - ac0c6df.gif
  1. If equipped, twist the tilt wheel handle and shank and remove.
dbfa19d.gif
  1. Remove the upper and lower steering column shrouds.
    1. Remove the screws.
    1. Remove the upper and lower steering column shrouds.
    1. Remove the multifunction switch.
      1. Remove the screws.
      1. Disconnect the electrical connectors.
      1. Remove the multifu2003 F-250 Flashers won't work - bd46c8c.gifch.
    bd46c8c.gif
    1. To install, reverse the removal procedure.
    You can do this. You don't even have to remove the steering wheel.
    Buy the part at tascafordparts.com for about 35% off too.

    Please rate as fixya if this fixes your issue and report back on success. good luck.


Posted on Mar 05, 2009

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  • Expert
  • 149 Answers

Is there any type of trailer light converter, if so remove it and try it again.

Posted on Mar 05, 2009

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