Question about Craftsman 42 in. Deck 19.5hp Lawn Tractor

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My husqvana lawn tractor starts well and the engine runs but when I release the brake or apply the cutter it cuts out. Why?

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Most likely the seat safety switch or associated wiring is the problem. It's designed to cut the engine if you release the brake or engage the blades unless it detects your weight in the seat. Tip up the seat and make sure the safety switch under it has not come loose, and that the wire connections are on tight. If that all looks OK, take the switch off and put a piece of tape over it the plunger to keep it in the 'activated' position and see if the mower works that way. If that fixed it, you should replace the safety switch. They are just a few dollars. Hope this helps - if so, please rate my answer.

Posted on Jul 04, 2010

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