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White lt165 pro problem

E

eremoao

Member
PTO has stopped working. Mower starts but pto will not engage. Changed pto switch, did not solve the problem. Any one want to tell me where to start troubleshooting?
 
Not familiar with that model, but you need 12v. on the wires to the clutch. Check the wires down at the clutch to see if any are broken. If the wires come out of the clutch winding and no plug there, it is common for the wires to break off right at the clutch winding.

If you have a volt/ohm meter, check the winding in the clutch itself. set the meter to ohms, then touch one lead to one of the clutch wires and the other lead to the other clutch wire. Most 12v clutches will read between 2 and 5 ohms resistance. If the meter indicates open circuit, the clutch winding is bad. Also check between both wires and the clutch housing to make sure the winding isn't grounding to the clutch case.

If no 12v. on the wires at the clutch, it is best to look at a wiring diagram for your mower. Trace the 12v. positive from the ignition switch through any other switches to the pto switch and check at each connection. Then trace the groundwire from the pto back to where it eventually grounds to the frame or negative battery cable.
 
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