Question about 1986 Chevrolet Chevy

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1986 problem with no fire

No fire from plug wires, changed rotory cap,ignition module,distributorcap. I have no power from to the cap but still no spark.

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Use a multi-meter and see if the pole piece/reluctor that connects to the module (2 wire connector) produces an A/C milivolt signal while cranking...this is the primary device that signals the module to fire the coil as its turning in time with cylinder strokes

Posted on Jul 06, 2009

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Ok... try this. Get a multi meter, turn the key in the on position. In the dc volt readings, put black end of wire to engine ground and red to small wires (primary side) on the coil. Do you read 12, maybe a little higher, up to 14 volts on the meter? If yes, then you are getting juice from battery through the ignition switch that should be supplying spark. If not reading any voltage with key on, you may be looking at a bad ignition switch. There are several connections made in that unit and it's not unusual to go bad once in a while. Let me know if that doesn't work. Thanks. Please rate this info.

Posted on Jul 02, 2009

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Did you grease the back of the ignition module? if not do so.

Posted on Jul 02, 2009

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1 Answer

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