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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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06-03-2019, 05:08 AM | #1 |
Getting Wild
Join Date: May 2015
Posts: 102
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Mother in law help
Hey all,
My MIL has a 2002 TXT 36v cart that bucks and jumps when she is driving it. Batteries are new, I checked the ITS gap and output and everything is fine, the F/R switch is clean and working good. I will attach a pic of the solenoid but I hear click when pedal is pushed. If you push the go pedal in slowly you can hear the solenoid click, the cart bucks and acts and sounds like the solenoid is clicking. It runs fine once it’s moving and keeps a constant speed without bucking or jerking it’s only if you very slowly press the pedal. I did the molex plug fix this weekend hoping it would fix the issue but no luck. Is this normal? Is there anything I can check and/or adjust? Thanks! John |
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06-03-2019, 06:30 AM | #2 |
Gone Wild
Join Date: Sep 2017
Posts: 690
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Re: Mother in law help
Even though the batteries are new the questions that still remain, what is the pack voltage and what is the voltage of each battery under load?
Others will more knowledge will chime in but will need other info as well such as what drive type, what controller is in the cart and is the cart lifted. |
06-03-2019, 07:04 AM | #3 |
Gone Wild
Join Date: Dec 2009
Location: Aiken, SC
Posts: 13,174
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Re: Mother in law help
Sounds like motor brushes. Once they start spinning a bad contact won’t be as noticeable.
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06-03-2019, 11:14 AM | #4 |
Getting Wild
Join Date: May 2015
Posts: 102
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Re: Mother in law help
Oops forgot to put that on the OP
Series cart, batteries meter out good both at rest and under load. I don’t remember exact numbers but when I tested they all looked good as a pack and individually I don’t feel any slipping or anything like that, what it feels like/sounds like is the solenoid opening and closing until more pedal is pushed. Only happens from dead stop |
06-03-2019, 11:24 AM | #5 |
Gone Mad
Join Date: Oct 2009
Location: Buford, GA
Posts: 8,988
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Re: Mother in law help
kgsc suggested brushes, and said the behavior matches. It's not a huge deal to remove the motor and check the brushes. Once taken apart, it's a good opportunity to change the bearing. Detailed instructions are in the manual in the Stickies.
The reed switch, MS2, key switch, and MS3 all need to close in order for the solenoid to close and stay closed. A bad connection on any of these could cause the solenoid to momentarily open. You eliminated the Molex, but any of the switches and the spade connectors on the wiring could be intermittent, but that doesn't explain how it only does this at slow speed. You said it "sounds" like the solenoid may be opening and closing. Can you confirm the solenoid is actually doing this? Maybe drive without the seat, and you or someone else listen/feel if the solenoid is actually doing what you think is happening.kgsc suggested brushes. It's not a huge deal to remove the motor and check the brushes. Once taken apart, it's a good opportunity to change the bearing. Detailed instructions are in the manual in the Stickies. |
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