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I believe that the green wire from the hour meter runs to the oil pressure switch. When connected the voltage at the hour meter reads 8V. However when I connect to the ground on the starter solenoid, it reads 12V. Therefore, I assume that the pressure switch or its connection to ground is the...

Did some more testing. I have two batteries connected by jumper cables. In #5 and #6, I tested from the negative terminal of the good battery which is connected to the installed battery. I'm thinking that the nominally high resistance from the solenoid ground might be due to the jumper cable...

I undid the jumper on one of the lap switches and plugged it in. I plugged in ignition switch and switched it to on. Fuse blew. Did the same on the other lap bar switch. Same result. Ugh.

That makes sense. I'll try it this weekend. I was confused when I read 8V instead of 12 V when I connected the ground to the engine. Still don't understand why it wouldn't be 12 V, but I'll try the switches. Thanks.

OK. I had some time today to look at this. Here's what I did: 1. Disconnected engine plug. Turned ignition to ON. Fuse blown. 2. Jumpered lap bar switches and Ignition terminals from B to S. Engine cranks. Fuse OK. 3. Changed jumper on Ignition switch to B & L. No hour meter display...

Perfect. Thanks for spending the time on this. I’ll give it a try tomorrow.

Ok. The.problem is in the mower. Should i pull all the wires? I’ve already tested continuity so the short is probably chafed insulation that hasn’t broken the wire. Or do i test for continuity between ground and all ends of the wires individually?

I'll try it when I get more fuses tomorrow.

Just so I understand - you're saying that since the regulator is not in the run circuit, it shouldn't cause a blown fuse even if it was faulty?

I unplugged the solenoid on the carburetor. Fuse still blows. Unplugged the PTO switch. Fuse still blows. Unplugged the hour meter. Fuse still blows, but I noticed that it didn't blow when I turned the switch to ON. However, when I turned the switch back to OFF, the fuse blew. Ordered more...

Hi - thanks for responding. I checked the fuse today. It blows as soon as I move the switch to the ON position. Regarding the parts, the ignition switch was a guess, since I didn't want to work on it... However, I then checked to the best of my ability the continuity of all the wiring...

I have a Swisher ZT2454 mower. It isn't starting and the fuse blows when I turn the key to 'start' (maybe just 'on'). I can power the solenoid and hear it click. I measured continuity on the wiring and it all seems OK. I tested from the PTO switch and ignition switches, reviewing wiring...