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Old 06-17-2017, 02:25 PM   #2 (permalink)
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Check for power at the connector terminals to confirm, while it's running if possible. Then deduce if it's one wire or the other that's not getting continuity. You can test for continuity between said terminals and ground and between them and +12v. I'd assume they run on a ground-pulse like everything else out there does, so you should have continuous +12v on one terminal, and nothing or pulsing ground on the other. If you are not getting both, you then can tell which one you are trying to trace/fix.
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