Equipment & Gear > Power Equipment & RV

DR Brush Mower won't crank

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EnglishSetter:
The neutral safety switch is just a switch.  In neutral you should have continuity between the 2 pins. Been known to jumper them on a boat trans to get home. 

Not sure how the PTO/electric clutch interrupt works.   Similar I'm sure. 

Rob:
Well, I finally had an hour to sit down and troubleshoot the mower.  Very odd (in my opinion)
I replaced the cable that broke - that was easier than I thought.  I verified I could shift through all the gears with it.  Still would not start (not surprised)

Next, I bypassed the neutral safety switch.  Would not crank (remember, it was not even trying to crank, no whirring, no popping, nothing.)

I decided to bypass the battery and jump it off of another battery.  Started right up.

So, it looks like the battery is totally dead.  This is odd to me as it strongly cranked without issue last time that I started it and the shift cable broke - just about a week or so ago.

Boss .300 winmag:
Batteries can be that way, one minute good the next not.🤯

Rob:
I have just never had one go from strong, to flat dead like that.  I would have expected it to struggle to start for a bit. 

Sandberm:

--- Quote from: Boss .300 winmag on June 16, 2025, 05:03:05 PM ---Batteries can be that way, one minute good the next not.🤯

--- End quote ---
I've had this happen at least 3 times on 3 different vehicles in the past 15 or so years. Not even a hint that there is a problem and then dead.

One of them, on my 95 F250, I believe would not even accept a charge from the alternator after jump starting it. I thought i could smell wires getting hot and a weird relay clicking in the dash, engine would not idle down, like the alternator was trying to send a charge somewhere.  Out of fear of messing something up I shut the truck off and left it where it died. Came back the next day and installed a new battery and all was good.

Glad the op was able figure and fix his mower by himself.

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