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no spark

Old Oct 7, 2015 | 7:38 PM
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Default no spark

I have a 85 chevy with a 305 with hei ignition i have replace the coil, ignition module, & pick up coil and i have put a jumper wire between a & c terminals and i still have no spark please help
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Old Oct 7, 2015 | 8:40 PM
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turn the key to run:

with a test light connected to grd, probe the positive wire of the ignition coil...it should light the test light

next, probe the grd side of the coil...with the engine cranking it should flash.



report back your findings.
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