Johnson Venom

C

Cobra Viper

Recruit
Joined
Jun 8, 2010
Messages
1
I have a 1998 Johnson Venom 225 that runs great but it will not shut off when I turn off the key. I checked the engine and the passenger side cylinders are still firing with the key off. I had to pull 1 sometimes 2 spark plug wires to get it to shut off. The other side of the motor is killing the power when the key is turned off. ANY IDEA'S.
 
jtexas

jtexas

Fleet Admiral
Joined
Oct 13, 2003
Messages
8,646
Re: Johnson Venom

yup. it's a boat, so we don't know which side is the "passenger side". If you say "port" or "starboard" everbody'll know what you're talkin bout. :)

the kill circuit is a black wire w/yellow tracer, one from each powerpack. To shut off the engine, the kill wire is connected to ground, short-circuiting the powerpack and killing spark. The kill wire on that side has an open circuit fault. That or else there's an internal fault in the powerpack. Could be at a plug, where it looks like it's plugged in ok, but the pin inside the plug isn't making contact.

Meanwhile, choking it should make it stop.

Welcome to iboats.
 
tashasdaddy

tashasdaddy

Honorary Moderator Emeritus
Joined
Nov 11, 2005
Messages
51,019
Re: Johnson Venom

break in black/yellow wire, bad ignition switch.
 
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