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Re: tried to start 5.3 definetly no spark at plugs.
OK I pulled my harness and went back thru each sensor wire, I got to the coils main connector and found the external ground only runs from one main connector to the other, it does not ground to the engine, so I hope I can ground this external coil ground wire to the engine and solve this no spark problem. What do yall think could that be the culprit?
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