Question about John Deere 24HP VTwin Hydrostatic 48" Riding Mower

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John Deere LA165 won't charge. Changed the voltage regulator, alternator, battery and still won't charge.

Tried a voltage regulator and battery from a known good mower and still won't charge. Put on a new Briggs and Stratton alternator and still have the problem.

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: I have a john deere L120 riding mower with about

have a john deere zero turn that will not turn all the way over

Posted on Aug 16, 2009

mickey813
  • 472 Answers

SOURCE: John Deere 160 riding mower. When I try to engage

CK THE SEAT SWICH OR THE BRAKE SWICH ONE OFEM IS BAD

Posted on Oct 02, 2009

  • 146 Answers

SOURCE: my john deere rideing mower idles up and down at

The motor has a governor that controls its speed, and if one of the pivoting parts or linkages is sticking this would happen. Look for the throttle linkage on the engine carburetor (move your throttle up and down, watch what moves). The governor will be a second linkage attached to the throttle arm. Squirt some WD-40 on any rotating parts and make sure a foreign object isn't stuck in there. It could also be the part of the governor that's internal to the engine -- harder to get at, but not expensive to fix.

Posted on Jul 04, 2010

  • 10 Answers

SOURCE: Have John Deere 165 riding mower. Strong crank,

Has it been outside? May be water in the fuel.

Posted on Jul 25, 2010

wireguy212
  • 1627 Answers

SOURCE: problem with John Deere L120 tractor

Park brake switch is the most likely culprit,any other would cause the tractor to not turn over in the crank position.

Posted on Jul 29, 2010

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1 Answer

Battery good, alternator good, starter good but my 1966 oldsmobile the alternator isn't charging the battery


Have you replaced the voltage regulator?
Unless you have changed the charging system and eliminated it, the alternator does not have a built-in voltage regulator like the newer ones do.
Be blessed.

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I've changed the alternater,starter, voltages


Troubleshoot first and then change parts! What was the original problem? It just won't crank over? The alternator just charges the battery the voltage regulator keeps from putting too much of a charge into the battery. Was the battery going dead? Did the vehicle start when jumping it with jumper cables? Too many unanswered questions to offer help, sorry.

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Some mowers have a mowing reverse safety switch. That safety will kill the mower if you try to reverse with the deck engaged. Some mowers even have an override button that has to be held while backing up. As for the battery thing, no matter how much you charge a bad battery you will not get it to start a mower if it has a bad cell or two. I would use a multimeter to check battery voltage, but the end result would still be the same, replace the battery.

I hope this gets you going again.

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I don't see how this is related to the float?
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CHECK ALTERNATOR 175 AMP MEGA FUSE. AND CHECK ALTERNATOR 20 AMP INLINE FUSE.IF FUSES OKAY.REPLACE BATTERY CABLES AND CHECK ALTERNATOR BATTERY FEED WIRE AND VOLTAGE REGULATOR WIRES FOR DAMAGE.AND CHECK DRIVE TENSION.MAKE SURE DRIVE BELT NOT DAMAGE OR SLIPPING.

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3 Answers

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I had the same problem on my lx176. Check all your connections first. If they are all ok and fuse and fuse link are ok, unplug your magneto connector. Mine is a 2 prong plug by the dipstick tube. Connect a voltmeter to the engine side of the magneto and set it to AC VOLTAGE SETTING.. With the engine running I think I remember it should be putting out about 30 volts AC. If you have close to this voltage there it is probably your voltage regulator. Mine was. Hope this helps

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