Small Engine Troubleshooting Problems? Ask a Mechanic Now.
Welcome to JUST ANSWER small engines, let me try to help you !! I don't know it all, but maybe together we can get you a satisfactory answer!
Model number? 998002 as example. Do you have wiring schematic? Usually there will be a pto relay, between the switch and the pto clutch, so the high voltage does not have to go through the switch. Are you using a voltmeter to see where you have voltage?
No pto relay shown?
OK< found the diagram. No relay used! Looks like fuse between switch and clutch. Fuse or fuse holder may not be letting voltage from switch get to clutch.
If you take jumper wire from battery direct to the black wire at clutch, does the magnet engage?
OK< engine OFF, key does not even have to be on.
OK, so we know the clutch is good. Now need to find voltage!
would assume it is the flat, automotive type, as inline fuses are a thing of the past! I would think fuse would be close to the pto switch.