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Mercury 25 HP Wont Turn off with key or kill switch.

shyl0

New member
Hi All,

I have a Mercury 25hp outboard that I cannot turn of without manually choking it.

SN: 1B005133

I have done extensive troubleshooting, and believe I have narrowed it down to the ecm.

I took the black/yellow wire directly to ground from the ECM an it will still not turn off.​
The issue I'm seeing is, that ECM costs $800.

Would anyone have a work around? Maybe a toggle switch I can install?
 
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