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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

Hazard lichting stopped working

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Old Aug 5, 2017 | 12:57 PM
  #1  
bart f-350's Avatar
bart f-350
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Hazard lichting stopped working

Hello all,

On my 1989 F-350 7.3L IDI all over sudden my hazard warning stopped working.

I have had a look at the fuses and relais, nothing wrong there, and the regular direction indicators works as they should.

any Idea where i should look next?

Is the hazard switch known for such mishap?
 
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Old Aug 5, 2017 | 01:30 PM
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tjc transport
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probably a bad flasher. there are two in the truck. one you can see in the fuse box, and one on the reverse side that you can not see.
the one on the back of the fuse box is for the hazard flashers.
 
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Old Aug 5, 2017 | 04:33 PM
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dixie460
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If it's like the 92+ body styles you can even swap them to test.
 
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Old Oct 12, 2017 | 06:31 AM
  #4  
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bart f-350
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Well, I had some time to kill today, and decided to attack again this problem.
Two things I found out; 1) there is no second flasher on the back of the fuse panel.
2)The hazerd flasher is between the glove box and the door jamb/ bottom of the "A" pillar

The weird thing thou, is that I started this problem with no functioning hazard flashers, now I found the hazard flasher, and it's working, but now my regular flashers won't work????

can anyone say something helpful?
 
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Old Oct 12, 2017 | 06:56 AM
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The problem is most likely the multi-function switch that includes the wiper/blinker stalk as well as the flasher button behind the steering wheel. These are common to fail on our older trucks.

It’s a really easy fix! You can buy a new Motorcraft replacement for around $100, or you can buy aftermarket for under $40. Both will work.

I just had to replace this on my ‘95. Very rewarding to fix since it is so easy!
 
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Old Oct 12, 2017 | 06:58 AM
  #6  
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tjc transport
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89 does not use a multi function switch.
89 has a blinker switch in the column, and a headlight dimmer switch on the floor.
 
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Old Oct 12, 2017 | 07:31 AM
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Stevaroo01
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Originally Posted by tjc transport
89 does not use a multi function switch.
89 has a blinker switch in the column, and a headlight dimmer switch on the floor.
I’m sorry, I missed the year in the original post. In that case, ignore my response altogether.
 
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Old Oct 12, 2017 | 09:34 AM
  #8  
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So, I do not really know what I did, but all in all, everything now works as it should.
It might have to do with it's age, and some corrosion here and there, and since I had to pull several connectors to measure, it might be well possible that that restored contact enough to work again?!?!

I'm happy now!
 
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