Electrical system for lawn tractor


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Electrical system for lawn tractor

Jerry My MW Powr Kraft 10hp 5-speed, electric start lawn tractor cannot be started using the key-switch. I have changed the battery and solenoid, and no electrical power gets to the starter. Hence, one way in which I can start the motor is to use jumper cables from a car by connecting one cable to the tractor chassis and the other to the starter.

This gets very inconvenient when the tractor is stopped and restarting is necessary.

Could the culprit be the key-switch? How could I troubleshoot this?

Dennis You could try running a 16ga jumper from the "B" to the "S" terminals on the switch. (Same as turning the key to the start position.)
Dennis (I hit enter before I finished - last message.)

Jump the ignition switch between the B and S terminals. If it cranks, it's the switch. If not, it's an interlock switch or relay, probably associated with either the seat or PTO switch (or relay.)

Trace the wire coming off the selonid and that should take you to a relay or switch.

Could also jumper the interlock switches (one at a time) to see if one of these are at fault.



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