turn signal flashing fast...but both light bulbs work?? - Ford Truck Enthusiasts Forums



turn signal flashing fast...but both light bulbs work??

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Old 07-22-2006, 06:49 PM
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turn signal flashing fast...but both light bulbs work??

I'm chasing a turn signal problem on a 97 Fleetwood RV built on an E-350 Chassis.

The right turn signal is flashing fast like it does when a bulb is burned out, but both the front turn signal light and the rear turn signal light are fully operational.

With the turn signal off and the hazzards on, all 4 corners work like they should.

Not sure exactly how the circuit works, but once I turn the turn signal on with the hazzards on, everything continues to work, as soon as I turn the hazzards off with the turn signal still on, the right side goes back to flashing fast.

I'm coming up on a VA state inspection, will they pass me with the lights flashing fast as long as they both come on?
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Old 07-22-2006, 06:54 PM
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They should pass it. So long as it works and is discernable to other drivers. If everything is working, a few people have replaced the turnsignal switch, and it has fixed this problem. Ford calls it a multi-function switch, and they do give problems once in awhile.
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Old 07-22-2006, 06:58 PM
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Is it possible to remove the steering wheel to get to this without messing with the airbag?
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Old 07-22-2006, 07:03 PM
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BTW, thanks for the reply above.

Looks like the multifunction switch is 85 bucks on ebay. Before I start buying parts, is there any way to further troubleshoot this part?

I forgot to mention that this problem is also intermittent. Some times everything just works fine, but probably 80% of the time I use it the right side blinks fast.
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Old 07-22-2006, 07:10 PM
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You can play around with the signal lever and see if it makes a difference.

I do not have anything on a 97, but in 96 you did not have to remove the steering wheel according to the link below, to change the switch.

http://www.autozone.com/servlet/UiBr...3d801783e5.jsp
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Old 07-23-2006, 04:24 AM
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Had the exact same problem with my 95 Taurus. Took a quick look at the wiring diagram & found that the only difference between flasher & turn signal circuits was in the multifunction switch.

Took about 30 minutes to swap in a new switch. Problem solved.
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Old 07-23-2006, 04:30 AM
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Had the exact same problem with my 95 Taurus. Took a quick look at the wiring diagram & found that the only difference between flasher & turn signal circuits was in the multifunction switch.

Took about 30 minutes to swap in a new switch. Problem solved.
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