02-15-2012, 08:33 AM
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CC Member
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Join Date: Aug 2010
Cobra Make, Engine: Lone Star with IRS, 427W with megasquirt, T56 magnum
Posts: 309
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Not Ranked
Bob, are you running some sort of CD ignition box? If so, you can't hook up to the coil neg. CD boxes output up to 500V to teh coil. Hook to the CD box tack output instead.
Don't let such a simple (yet understandably frustrating) error totally put you off. All you're missing is some way to trigger MS accurately. Unless you've smoked the VR circuit with the CD box, all I think you're missing is some pot tweeking. You may need to seek out someone with an o-scope to get it straight.
Are you using a missing tooth wheel with the hall? Also, when going from a missing tooth to a tack signal, you have to go into the trigger menus and select the correct one. If MS is looking for a missing tooth, it'll never find it on the coil or tack sig, so it'll never sync up to the motor and start injecting and firing.
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