no spark

Old 03-28-2010, 11:54 AM
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Default no spark

have msd 7al3 and crank trigger every time a throw my painless ignition switch i blow a fuse what could this be
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Old 03-28-2010, 04:24 PM
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Sounds to me you have a dead short somewhere. But the first thing that I would do is make sure everything is wired correctly. Then the best thing to do is get a volt/ohm meter and go through the process of elimination. Check your switch, check wiring making sure you don't have a bare wire. JMO.

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Old 03-28-2010, 07:44 PM
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Have you used this system prior to this ?
Is this a brand new system and this is the first you've put juice to it ?
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