Question about Craftsman 42 in. Deck 19.5hp Lawn Tractor

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I have a 1998 Craftsman garden tractor (917.273030) with a 20 Hp Briggs & Stratton (407777). I have "cherried" her and she runs GREAT. Problems: 1. Over the winter the mice made a home under the engine cowling and chewed through the wiring harness. I repaired the breaks and the system charged itself. Then the system stopped charging, so I replaced the battery and the wiring harness. When the mower deck is engaged, the ammeter drops to negative 5. Any suggestions to fix this? 2. The mower deck will not engage when I pull the PTO switch. I checked and checked the ignition and PTO switches. I seat switch works well. The engine will not turn over if the PTO is engaged. What would you suggest I do?

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Hi,

When the mice cut the wiring harness the connection you made was not properly done. I still believe this is an electrical fault.

Try to check the wiring and make the connection is okay

And also check the voltage coming out of the battery.

Goodluck.

Posted on Jul 03, 2010

  • eksmills Jul 04, 2010

    I have checked the connections on the new wiring harness several times. They are good. I even jumped some of the connections. Still, no charging. I suspected there might be a bad leg on the ignition switch so I took it off, inspected and cleaned it. No marks or sign of excessive wear or damage. I did the same for the PTO switch. Still, no charging.
    To clarify, when I refer to the wiring harness I replaced, I am only talking about the two wires under the engine cowling that lead to the two magnetos (armatures).
    Further, to clarify, I have a Craftsman 46 inch, garden tractor with a 20 Hp Briggs & Stratton


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