Service & Maintenance Question
I have 29 hours on my Husqvarna Z 246 Zero turn mower. Purchased in 2016. Until this week it performed flawlessly. I cut the grass last week and then drove it into the garage and parked it. This week It will not start, the engine will not crank over. I have the steering levers in the outboard position and I'm sitting on the seat. With the key in the "on" position, the PTO switch clicks on and off normally. With the key in the "headlight" position, the head light comes on.
The battery is fully charged; if I cross the solenoid the engine will turn over with vigor so I know it is not the starter. When I turn the key to "start", I have 12.5 volts to the yellow wire on the spade terminal of the solenoid. I tested the solenoid independently and it functions correctly, i.e., (I put 12 volts to the two blade terminals on the solenoid and the engine will crank but not start).
I have tested both lever safety switches with a continuity tester and if I'm testing them correctly they seem to be good. The seat switch seems to be good when tested. I am out of options for things to test. It just doesn't make sense.
Any ideas?
Answer
Sounds like you have problem in the ground side of the solenoid trace the wire that is not the yellow wire. (maybe two of them). Just test purposes only ground the side of the solenoid that is not the yellow wire terminal. If it is a ground circuit problem the relay should engage as normal when the keyswitch in the start position with the lap bar outboard and you on the seat.
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Thanks Eugene. That makes good sense, I should have thought of that. Actually, now that you mention it, I did connect my multimeter to the two blade terminals (with both wires plugged into them) and when I turned the key to start, there was no voltage, indicating to me a broken circuit, like you said, probably on the ground side. It was only when I connected the positive lead of the multimeter to the yellow wire (while unplugged from the solenoid) and the negative lead to a direct ground that I got the 12.5 volts. So it makes sense that the black wire on the other blade connector, which should be the ground to complete the circuit is not grounded.
As soon as I get the chance, I'll try your suggestion. If it works, then the black wire is likely not grounded. Then the question becomes: is the black wire "ungrounded" because of a damaged or broken wire somewhere causing a break in the circuit, or is one of the safety switches not made, purposely causing the break in the circuit? I guess I'll cross that bridge when I come to it! Thanks again! Stay tuned.
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