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Old 09-01-2020, 08:51 PM   #1
skkroosw
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Join Date: Mar 2017
Location: Winnsboro, SC
Posts: 3
Is this a bad coil?

Two issues could be going on here that are preventing this '69 c10 from starting while cranking. Pretty sure #2 is a problem, but also #1 could be going on.

1. I am not sure the test indicates a functional coil. I think there should be a resistance from the + terminal to the top wire leading to the distributor, but it tests open.

2. A wire may be missing at the coil. There are atleast two loose wires nearby, but I thought they've always been there loose. However, I think a resistance wire OR a wire+resistor from the ignition is needed to power the coil when the starter is not turning... BUT, the truck doesn't start so I suspect #1 is also a problem. I test no voltage on the coil (+) in the run position.

thanks!
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