Hazzard Switch Issue '84 CJ7 - JeepForum.com
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post #1 of 7 Old 07-18-2019, 08:53 AM Thread Starter
shelldrake
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Hazzard Switch Issue '84 CJ7

Hello,

With the hazzard switch pushed in (off):

- Turn signals do not work
- Depressing brake pedal turns on brake lights, but also running/parking lights.
- Turn signal lights on dash both light up.

With hazzard switch pulled out:

- Hazzard lights do not flash
- Depressing brake pedal operates brake lights. Running lights do not light.
- Turn signal lights now work

Something going on with the switch in the steering column?

Guess I could just drive with the hazzard switch on..........

Any ideas on what the problem is?

Thanks

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post #2 of 7 Old 07-18-2019, 10:39 AM
John Strenk
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Quote:
Originally Posted by shelldrake View Post
Hello,

With the hazzard switch pushed in (off):

- Turn signals do not work
- Depressing brake pedal turns on brake lights, but also running/parking lights.
- Turn signal lights on dash both light up.

With hazzard switch pulled out:

- Hazzard lights do not flash
- Depressing brake pedal operates brake lights. Running lights do not light.
- Turn signal lights now work

Something going on with the switch in the steering column?

Guess I could just drive with the hazzard switch on..........

Any ideas on what the problem is?

Thanks
Pushed IN turns on the emergency flashers
Pulled OUT turns off the emergency flashers.


The emergency flashers use a different flasher unit than the turn signals.
If the flasher unit for the emergency light is not working, then it would fit all the conditions you stated above.

Or it might of just fallen out sometime.

Since your brake lights work, it can't be the fuse cause they share the same fuse.

In the sake of completeness, it could be a broken wire somewhere between the flasher unit and the turn signal switch. Or inside the ts switch itself can be dirty blocking the connection to the flasher unit.

You will need a test light to solve this mystery if replacing the flasher unit didn't help.
But, try the simple stuff first.

If it wasn't so hard to find the Turn Signal flasher unit (above the parking brake) I would recommend just swapping the two flasher units as a quick test.
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post #3 of 7 Old 07-18-2019, 11:52 AM Thread Starter
shelldrake
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Hmmm. Blame it on Son-in-law who was driving it recently.............


I did replace the round flasher which I guess is for the turn signals. There is also a square plastic one under there. Would that be the Hazard flasher?


Thanks for your thoughts on this John.
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post #4 of 7 Old 07-18-2019, 12:00 PM
John Strenk
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Need a picture.

Might be hard to put a square flasher in a round opening.
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post #5 of 7 Old 07-18-2019, 12:57 PM Thread Starter
shelldrake
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Thanks for the photo.


The round flasher like your photo is not attached to the fuse block. It is hanging loose. This may be an '83 set-up.


There is also a square, white, what I assume is a flasher hanging in the same area. Maybe I should replace it also.


Thanks again John,


Matt
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post #6 of 7 Old 07-18-2019, 06:35 PM
John Strenk
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What do you gave in the fuse box? That's important.
If there is nothing plugged into the fuse box as shown, then the hazards won't flash.

That square one could be the horn relay. does it have 3 wires on it?


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post #7 of 7 Old 07-19-2019, 05:55 AM Thread Starter
shelldrake
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Nothing in the fuse box in the position shown in your photo with the flasher.

Bet that's my problem. I will install a flasher there.

Thanks for your help.

Matt
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