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4 way/hazards quit working

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Old Apr 24, 2023 | 09:48 AM
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4 way/hazards quit working

4 way flashers on my 79 F250 quit all of a sudden. Fuse is good, all the lights work fine. Is there a seperate flasher for the hazards? If so where is it?
Or could it be something else?
 
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Old Apr 24, 2023 | 02:02 PM
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If it like my F150 there is a separate flasher for the hazard lights and it is located under the dash behind your instrument panel.
 
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Old Apr 24, 2023 | 04:33 PM
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And once you find the second flasher, you can verify that it is the actual problem by swapping the two.
They should still have the same connection style, so it should be easy.
This will help you determine that it’s not something else, such as the hazard switch.

It’s possible that the two are different, but earlier models used the same connector configuration.
Different flasher (heavier duty) but same configuration.
 
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Old Apr 24, 2023 | 07:45 PM
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Thanks! I'll see if I can locate it.
 
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Old Apr 24, 2023 | 09:38 PM
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Laying on the dvrs side floor look up under the dash, on the inside cab wall/kick panel. Look for 2 round flashers. Maybe one is white and one is....not white? As Paul said swap them around and see if the problem is still there. One is for flashers and one is for turning signals.


 
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Old Apr 24, 2023 | 11:16 PM
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Both flashers look the same, are round with two prongs, but the 4 way flasher has a louder CLICK.
 
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Old Apr 26, 2023 | 08:55 PM
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The flasher was bad. Swapped in another and all is well! Thanks again to all that responded!
 
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Old Apr 26, 2023 | 10:28 PM
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Thanks for letting us know. Glad you got it working.
 
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Old Apr 26, 2023 | 10:37 PM
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Good to hear you got it working, did you use a sharpie and put a TS on the turning signal one and a H on the hazard one?
 
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Old Apr 27, 2023 | 12:00 AM
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Great habit to get into Rich!
 
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Old Apr 27, 2023 | 07:25 AM
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I can not remember if they are a different color, but I put a reminder on them no matter the color.
 
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Old Apr 27, 2023 | 02:57 PM
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Definitely. Even at a different color, you'd still have to remember which one is which.
I remember the original Bronco units were both plastic, one Blue and one White. But I don't remember which one was which either.

Paul
 
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Old Apr 27, 2023 | 05:12 PM
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Originally Posted by 77&79F250
Good to hear you got it working, did you use a sharpie and put a TS on the turning signal one and a H on the hazard one?
Now THAT, is a lil nugget of a handy idea to do, thanks!
 
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