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Old 11-26-2004, 08:31 PM
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change modular car will start shut off and won't start back up

I'm restoring 1981 z28 camaro with 454.after installing motor started first time broke in the cam.shut motor off checked fluids and went start back up and no spark.I have mallory Hei.after checking voltage at the coil it was ok.checked power with key on in front of modular there was 12 volts. checked after the modular 1.33 volts.changed modular motor started back up.shut off and woudn.t start.I call mallory and they said to send it back to them so I it back and motor started and ran good shut off and tried to start backup no spark at the plugs.checked modular 1.33 volts.with key on. There was no wiring changes.took computor out thats all.

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Old 11-26-2004, 09:20 PM
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Check the ignition switch

Just went through something similar with start no start..Replaced coil, starter solenoid and about anything else we could think of..It was the ignition switch that was the problem

I have tried most all of it and now do what is known to work..
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