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Tom Wesenberg · 08-08-2014, 05:16 PM

Remove the fan belt and run the engine. If they flash OK now, then the alternator or higher voltage must be the problem. If they still don't work, then the ignition system noise must be the problem.

Have you tried another flasher?

08-08-2014, 05:16 PM	#14
Tom Wesenberg Senior Member Join Date: May 2010 Location: Mpls, MN Posts: 27,582	Re: Turn signal and tail light problem Remove the fan belt and run the engine. If they flash OK now, then the alternator or higher voltage must be the problem. If they still don't work, then the ignition system noise must be the problem. Have you tried another flasher?