2000 Johnson 9.9 4 stroke remote ignition switch wiring codes

2cheap4new

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Jun 7, 2007
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Can anyone tell me what the different letters mean on the back of my Johnson ignition switch. I am trying to hook up the harness and I don't have a diagram.
 

PondTunes

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Re: 2000 Johnson 9.9 4 stroke remote ignition switch wiring codes

Alot of these seem to be the same, i personally don't have a 2000 but give this a shot.



Going Counterclockwise starting with B
B = Battery (Red w Purple Stripe)
M = Ground (Black)
A = Ignition (Purple)
C = Choke/Primer Solenoid (Purple & White)
S = Starter (Yellow & Red)
M = Power Pack / Neutral Safety (Black & Yellow)


You can verify your switch is the same with a continuity test, connect one lead of a multimeter set to continuity to both M terminals, they should show continuity with the switch in the OFF position.

B to A should show continuity in the run position and

B to A and B to S should show continuity in the crank position.

B to C should show continuity when you press the keyswitch in.
 

PondTunes

Petty Officer 1st Class
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Jun 7, 2007
Messages
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Re: 2000 Johnson 9.9 4 stroke remote ignition switch wiring codes

The black/yellow wire going to the power pack is a kill circuit, if your neutral safety switch is closed (ie not in neutral) this will put a ground to the powerpack shutting down the ignition.
 

Xcusme

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Re: 2000 Johnson 9.9 4 stroke remote ignition switch wiring codes

The black/yellow wire going to the power pack is a kill circuit, if your neutral safety switch is closed (ie not in neutral) this will put a ground to the powerpack shutting down the ignition.

Hugh ???
Neutral Safety switch is just that, a switch which is normally in the closed position when the motor is in Neutral. Put the shifter into gear, it opens the circuit. Neutral safety switches are normally used in the starter circuit to the starter solenoid to prevent the starter from activating while in gear.

The Black/Yellow leads are typically for the kill circuit. The 'man over board' switch or kill button is normally 'open circuit', black-yellow are not shorted, power pack operates normally. Pull the lanyard or push the kill button, the switch closes, shorting the black and yellow wires, killing the power pack coil output killing power to the coils, no spark....motor stops.

Did I miss your meaning ???
 
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