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Old 09-30-2020, 06:35 PM   #9
Richard
Senior Member
 
Join Date: Dec 1999
Location: Southern California
Posts: 2,710
Re: 72 c10 turn signals not working

Not sure if you have tried. When I want to make a change (such as led) I always make sure the circuit is working with all stock components before I go chasing problems down. If it all works, try your new flasher with the old bulbs. It does not care. if it works then try the led. If problem arises reverse polarity on led.
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Richard
1972 K10 Custom Deluxe SWB Fleetside
My build https://67-72chevytrucks.com/vboard/...d.php?t=800746
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