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Old 04-26-2015, 12:41 AM   #1
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Default 4 Way Flashers Not Working

ok, new issue.4 way flashers. Don't work. Is it run off the same flasher as turn signals? I have a light bar/strobes, just irritates me the 4 ways don't work....thoughts..DD
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Old 04-26-2015, 01:22 AM   #2
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I moved this into a new thread as it is a separate issue.
Would be great if someone could post a schematic diagram for your truck.
By chance does your owner manual show the under hood relays for flashers/signals?
If the 4 ways & signals are tied into one flasher, could be the wires into the 4 way flasher switch or a separate relay? Check the fuse for it?
I'm sure the guys will chime in with some more ideas on this one as well.
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Old 04-26-2015, 10:40 AM   #3
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Year, make, model?
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Old 04-26-2015, 11:10 AM   #4
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According to his profile it is a 1997 GMC K3500
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Old 04-26-2015, 12:41 PM   #5
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If your brake lights are working, more than likely your turn signal switch is bad.
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