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Lawn Mowers

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20A Fuse blows when mower engaged?

I have a Craftsman Riding Mower, model 917.274632. I made the error of reversing the cables when I jumped the battery to start it this year.
Once I realized the error and fixed the connection, the engine started. The engine however stopped as soon as I engaged the mower and I couldn't start it again.
I read some forums and found the 20A Fuse blown. I replaced it and repeated the above steps and the Fuse blew again.
I then disconnected the Clutch cable and repeated the same and the Fuse still blew. I didn't know how to move forward from her. Please help


May 2013
Your battery reversal undoubtedly destroyed an electrical component so that it now presents a dead short and the dead short is causing the fuse to blow.

I know nothing of mowers particularly but would suspect that you would do well to examine the battery charging circuit - particularly any over voltage protection Zenner diode or SCRs in the circuit. There are some electronic components that do not like reverse polarity.

Good luck...

May 2013


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