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Recent content by Delta8500

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    Mercruiser 5.7L Thunderbolt Ignition/Coil

    1983 Larson Delta 8500, 260 Mercruiser engine with Thunderbolt IV ignition Engine wouldn't start. I checked voltage at the coil and I didn't have 12vdc with the key on. I had 12v from the + terminal on the coil to ground (engine manifold) but not between + and - on the coil. I traced the...
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