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7 Electrical System Service
Troubleshooting Charts
Check the brake pedal
switch.
Refer to M. Brake Pedal
Switch Tests.
Replace the brake pedal
switch.
Component Tests OK
Component
Fails Test
Done
Engine dies when brake pedal released: (All Models)
Check the seat switch. Refer to O. Seat Switch
Test.
Replace the seat switch.
Component
Fails Test
Check the PTO switch. Refer to I. PTO Switch Test. Replace the PTO switch.
Component Tests OK
Component
Fails Test
Done
Engine dies when PTO engaged: (All Models)
Check the seat switch. Refer to O. Seat Switch
Test.
Replace the seat switch.
Component
Fails Test
Check the PTO switch. Refer to I. PTO Switch Test. Replace the PTO switch.
Component Tests OK
Component
Fails Test
PTO clutch will not engage: (All Models)
Check the ignition switch. Refer to H. Ignition Switch
Tests.
Replace the ignition
switch.
Component Tests OK
Component
Fails Test
Check the PTO clutch. Refer to Q. PTO Clutch. Replace the PTO clutch
assembly.
Done
Component
Fails Test
Check voltage regulator. Refer to Engine Manual. Replace the defective
engine component(s).
Component Tests OK
Component
Fails Test
Check alternator. Refer to Engine Manual. Replace the defective
engine component(s).
Done
Component
Fails Test
Battery over-charging: (All Models)