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    402 40hp merc........AGAIN!

    I fixed the control box wiring. Took the boat out tonight. Ran great...a little slow though. Pulled over to say hi to a friend...turned off the motor. Went to start it back up....I have no gears. No reverse/forward. Is it the lower unit? If so...any fixes? Had no problems with this...
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    402 40hp merc....motor won't shut off...SUCCESS!!!

    The orange and brown wires were wired together. If you put them where they are supposed to be no more shocks and motor turns off fine. Thanks to all that replied. Only took me four days to figure this one out. BUY A MANUAL!!!!! IT WORKS!
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    40hp merc '78...motor won't turn off.

    I had a problem with the control box and steering. I kept getting an electrical shock. Changed all the wires and grounds. Motor runs great! Why won't it turn off? I am using the wiring schematics that I got from a book. I'm sure I wired right. What am I missing? Any suggestions...
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    Wiring-40 merc o/b

    Hello, I'm new to the forum. I am getting shocked by the control box while the motor is running through control box to metal on steering wheel. Grounding control box kills motor. Continuity test on ignition switch read 12 v red wire to ground with ignition off. Anyone know what my problem...
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