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some times motor keeps running after key is turned off and kill switch pulled.
This is a 2004 9.9 Mercury ser.# OT851354
This is a 2004 9.9 Mercury ser.# OT851354
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Could be broken Black/Yellow wire inside main harness between engine and key switch, or a bad key switch. Disconnect main harness from engine and key switch and check for continuity on black/yellow wire in main harness to see if its a open circuit .Regards
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