Kill switch???

[NC_waterlogged]

Hello everyone. Recently purchased a 2002 Procraft 21’ Combo with a 200HP Mercury Model 1200413ZD. The second day of owning the boat I was cruising at 3800RPm(s) when the boat suddenly cut off like the kill switch had been engaged. No sputtering no alarms, just dead. When trying to start the boat there isn’t a tone at all when the ignition is turned on initially, but if left on I get a constant alarm and the fuel pump begins to run. The engine turns over great, just doesn’t try to start. I have (out of desperation) unhooked the kill switch and even snipped the black and yellow wire at the computer. The switch still shows a closed circuit at the computer. I did a continuity test at the ignition switch and everything was fine.

Please help

 

[Scott Danforth]

have you checked the wire harness to see if it wore thru the insulation and is shorted to ground?

 

[NC_waterlogged]

Thanks for the feedback,
I checked the harness going into the motor. I didn't see any signs of wear. I also traced the wire from the controls and didn't see any signs of wear. As I was driving to work this morning something dawned on me. The circuit will be closed unless the switch is in the on position. So with that being said, I will check again this evening, but it still doesn't change the fact that the boat won't start, or at least have the tone when the switch is turned.

 

[NC_waterlogged]

Update. I tested the circuit with the switch on and it open and closes as it should. Any other ideas?
Thanks

 

[Scott Danforth]

if the motor thinks the input is closed to ground. start at the motor and work toward the key swtich

 

[NC_waterlogged]

I clipped the kill wire at the motor. That should rule out a grounding issue I believe. Nothing changed.

 

[NC_waterlogged]

Anybody else? Anything to try?

 

[NC_waterlogged]

Is there a safety switch on the trim that would kill the engine?