Snapper blades not engaging "clean" anymore

[capmarvel]

Snapper 2691021-00 - SPX2246, 46" 22 HP SPX Lawn Tractor 150 Series​

Recently, when I lift up the blade engage button the blades have sometimes not engaged, or enganged for few seconds then stop. After a few attempts, everything would be fine and I'd mow OK. Today it was worse, so just guessing, I used my hand to hold up the engage button and then the blades were fine (mowed normally). I did this for awhile and a few times let go and the blades stopped. So, I held it more and (steering one handed) then eventually after maybe 15 minutes, I let go of the button and it "took" and mowed normally.

I'm pseudo-handy, so hoping someone can point me to most likely culprit what to look at so blades engage every time and stage engaged? Thanks!

 

[slomo]

Not familiar with your machine.

Test the switch several times. "Guessing" it could be a normally open or closed contact???

Any mice chewing wires at your place?

Inspect the harness for the blade switch.

 

[Auto Doc's]

Your description sounds like a badly worn Deck PTO switch.

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