Posted by MarkB_MI on July 25, 2016 at 10:31:47 from (198.208.159.18):
In Reply to: Re: Why No Spark posted by BolivarRatman on July 25, 2016 at 08:22:30:
> If you had spark @ the points but nothing @ the plugs, WHAT wouls YOU do next?
Troubleshooting is always the same: Start with something good and move forward until you find something bad, then go backwards and forwards until you're sure of where the problem is.
Assumptions: "spark @ the points" means you see an arc across the points when they open. "nothing @ the plugs" means you don't see an arc if you remove a spark plug, plug it back into its lead, ground it and crank the starter.
Go forward, then back. Pull the distributor end of the coil wire and see if you can get an arc from the coil wire to ground. If no, it's probably the coil. If yes, check the spark from one of the plug wires to ground. If that's bad, check the distributor cap and rotor.
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