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Merc 402 no spark

amorris

New member
"I am pretty sure I know the a

"I am pretty sure I know the answer, but just wanted a bit more confirmation before buying an expensive part. My 402 won't start in the early morning and doesn't seem to want to start when it's wet out. Each time this happens, I have no ignition on either cylinder. I'm betting it's the switchbox........almost $200. Is there a way to check and be sure before I order the switch box?
Thank you"
 
"disconect black/yellow wire g

"disconect black/yellow wire going from switchbox to key to eliminate wiring, could also be stator trigger or mercury switch. These older mercs are know for bad wires, look for them"
 
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