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30 Mercruiser wont start no spark

J

john wilbur

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I have changed the plug wires

I have changed the plug wires cap and roter but still no spark
boat ran fine on a saturday following friday put it in the water and turned over but wouldnt start its a 95 3.0 any suggestions.
p.s. I did just do a little wire work but only replaced trim wire eyes. any help would be apriciated. thanks in advance.
 
does it have a primary coil un

does it have a primary coil under the cap and rotor???? These go bad without warning leaving you stranded. Up the creek without a paddle.
Just a suggestion !!!
 
HI: I’VE BEEN READING THRU

HI: I’VE BEEN READING THRU THE HELP SUGESTIONS ON ELECTRICAL PEOBLEMS THINKING I CAN FIND HELP. Lots of good help out there but I’m still dead in the water. I have an 89 - 21’ Sea Ray / Alfa out drive / 4.3 liter Merc curser. I need a wiring diagram or some way of tracing the elect to the coil. I tested the post at the coil and nothing when the key is on. No spark no run. HELP!
 
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