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**dmjlambert** · 09-29-2020, 09:12 PM

You probably have a flasher that is dependent on polarity. Reverse the polarity using some test wires, perhaps with alligator clips or terminal ends.

09-29-2020, 09:12 PM	#7
dmjlambert Senior Member Join Date: Apr 2016 Location: Cypress, TX Posts: 3,584	Re: 72 c10 turn signals not working You probably have a flasher that is dependent on polarity. Reverse the polarity using some test wires, perhaps with alligator clips or terminal ends.