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78 40hp 402 mercno fire

rigidrdr65

New member
"hey,I have a 1978 40 hp 402 m

"hey,I have a 1978 40 hp 402 mercury rocket,wont fire,gets juice to ignition switch box but not to coils,can anyone tell me about these motors?"
 
"Remove the black wire with th

"Remove the black wire with the yellow tracer and try again. If still not spark, the sparkbox is shot.


Jeff"
 
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