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post #1 of 5 Old 04-13-2018, 01:39 PM Thread Starter
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Engine stalls when engaging power dump

My John Deere gator HPX 4x4 (diesel) engine stalls when trying to raise and lower power dump bed. Has anyone experienced this? Any ideas on how to fix this?

Last edited by vick; 04-13-2018 at 10:58 PM. Reason: Needed to add a few things
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post #2 of 5 Old 04-14-2018, 07:12 AM
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Originally Posted by vick View Post
My John Deere gator HPX 4x4 (diesel) engine stalls when trying to raise and lower power dump bed. Has anyone experienced this? Any ideas on how to fix this?
Have you looked at the dump bed switch? it sounds like maybe the switch is grounding out on the ignition circuit ?. Look for bare wires or loose connectors.
Good luck

2012 Gator 825i (new engine at 1700 hours) Power Steering-Sport Exhaust- Deluxe Cab-Heater- Work Lights On Top Front And Rear- Hella HID Driving Lights-Warn ProVantage 4500 synthetic winch-Electric Dump- Gillmore Seat Covers
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post #3 of 5 Old 04-15-2018, 01:24 AM
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I was looking at the wiring diagram for my 855D which shouldn't be much different than your HPX for the stuff you're talking about. The Lift switch is low current which applies voltage to relays which are unswitched high current. You didn't mention if the lift actually operates. If it does, you might want to check your battery and alternator health. A sudden high current load might pull the voltage on the fuel shut off solenoid too low and that will kill the engine. To get an idea, have your headlights running and try the lift. If the lights dim significantly, that should be a good hint. If you are not blowing a fuse, then it likely isn't an overcurrent issue.
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post #4 of 5 Old 04-15-2018, 12:13 PM Thread Starter
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Thank you both for the information. I didn't see any loose connections or wires. So I ordered an ignition switch. The lift does function when the engine stalls. I did put a new battery in the gator. And, the alternator belt was very worn and ready to break, so I replaced that. But, those 2 things didn't help. Hopefully the ignition switch will help...
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post #5 of 5 Old 10-13-2019, 10:26 AM
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What did you find out? My 825i stalls out when there is an electrical load applied to the alternator meaning dump box or cooling fan turns on.
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