52
Electrical System
KohlerEngines.com
22 690 01 Rev. --
Condition
Engine operates as designed.
Key Switch
Safety Circuit
Yellow Wire (Volts)
Solenoid (Volts)
OFF
Operate
0
0
ON
Operate
0
12
START
Operate
0
12
Possible Cause
None, system OK.
Conclusion
None, system OK.
Condition
Engine cranks but will not start (voltage at yellow wire).
Key Switch
Safety Circuit
Yellow Wire (Volts)
Solenoid (Volts)
OFF
Activated
0
0
ON
Activated
12
0
START
Activated
12
0
Possible Cause
Equipment safety system activated or white kill wire shorted to ground.
Conclusion
Refer to equipment manual for inspection/repair procedures or repair white kill wire short.
Condition
Engine cranks but will not start.
Key Switch
Safety Circuit
Yellow Wire (Volts)
Solenoid (Volts)
OFF
Operate
0
0
ON
Operate
0
0
START
Operate
0
0
Possible Cause
No voltage at yellow wire, no voltage at fuel shut-off solenoid.
Conclusion
Bad connection, broken wire, bad fuel shut-off relay.
Condition
Engine cranks but will not start.
Key Switch
Safety Circuit
Yellow Wire (Volts)
Solenoid (Volts)
OFF
Operate
0
0
ON
Operate
0
12
START
Operate
0
12
Possible Cause
Defective fuel shut-off solenoid or bad/open ground wire at solenoid connector.
Conclusion
Replace fuel shut-off solenoid or repair/replace wiring harness.