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Old 06-25-2014, 09:26 PM
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Signal Lights Not Working

I see there are plenty of threads on this topic already but everyone seems to have slightly different issues. My problem is signal lights only, the brake lights and tail lights work fine. The signal lights will work once in a while but very rarely, the hazard lights work more frequently but quit randomly.

I have replaced all bulbs, fuses. and checked grounds at the tail lights.

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Old 06-25-2014, 09:31 PM   #2
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Most likely the multi-function switch if they work occasionally.

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Old 06-25-2014, 09:42 PM
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Would multi-function switch cause a problem with the hazard lights?

After taking a look at some pics I can see it's one part. I will take mine out and clean it tomorrow, if that doesn't solve the problem I will get a replacement.
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Old 06-25-2014, 10:12 PM   #4
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Would multi-function switch cause a problem with the hazard lights?

After taking a look at some pics I can see it's one part. I will take mine out and clean it tomorrow, if that doesn't solve the problem I will get a replacement.
Yes it would. What year is your Jeep? Try cycling your hazard switch on and off a few times, then try your blinkers.
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Old 06-25-2014, 10:16 PM
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[QUOTE=Water Dog;11569386]Yes it would. What year is your Jeep? Try cycling your hazard switch on and off a few times, then try your blinkers.[/QUOTE

Jeep is a 2002.

I was doing that earlier and the blinkers started working briefly. It seems the MFS is the most likely culprit.

I appreciate the help and will post my results.
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Old 06-25-2014, 10:53 PM   #6
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Could also be the relay
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Old 06-26-2014, 10:05 AM   #7
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Could also be the relay
Could be, but if you can get them to work by cycling the hazard switch, it's more likely the mfs. The hazard switch switches inputs from the hazards to the turn signals.

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