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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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09-18-2020, 08:27 PM | #1 |
Not Yet Wild
Join Date: Sep 2020
Posts: 9
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93 marathon barely moves
I am working on a 93 EZGO Marathon. Just put in, and charged new batteries, put in a new solenoid. tested POT, and microswitch. Getting 37 volts to controller. But, when I depress go pedal cart barely moves, it has no power. this is the same in fwd and rev.
any suggestions would be appreciated. |
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09-18-2020, 10:44 PM | #2 |
Over This Interview Is...
Join Date: Jun 2012
Location: AZ
Posts: 17,449
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Re: 93 marathon barely moves
Solenoid is not engaging. You are just getting a "little umph" from what's stored in the capacitors in the controller.
That would have me looking at F&R microswitches, throttle pedal micro switch, reed switch, or just as simple as a wire that was not reconnected after the battery swap. I'm assuming you have successfully charged your new batteries after the install, right? |
09-19-2020, 12:14 PM | #3 | |
48/400/Alltrax HS motor
Join Date: Jan 2007
Location: Liberty SC, Garden City SC
Posts: 6,190
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Re: 93 marathon barely moves
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09-21-2020, 08:40 AM | #4 |
Not Yet Wild
Join Date: Sep 2020
Posts: 9
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Re: 93 marathon barely moves
Thanks for responding. Yep, batteries are new and charged. I am getting solenoid click (new solenoid) but I will check for full voltage transfer across solenoid. Throttle pedal microswitch functions proper and potentiometer ohms out good. I'll check other switches and re-check wiring. Thanks again.
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09-21-2020, 09:07 AM | #5 |
48/400/Alltrax HS motor
Join Date: Jan 2007
Location: Liberty SC, Garden City SC
Posts: 6,190
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Re: 93 marathon barely moves
If new batteries are fully charged and are at 37 volts something is wrong. Fully charged should be 38.2.
I would check the micro switches on the F/R handle. Yes double check all the connections. |
09-21-2020, 09:20 AM | #6 |
Not Yet Wild
Join Date: Sep 2020
Posts: 9
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Re: 93 marathon barely moves
37.4, doesn't drop much when pressing throttle. maybe they didn't get a full charge after installing. I may have rushed it. I'm recharging now.
Wouldn't they still have pulled the cart even at a slower speed etc. this cart won't pull itself fwd unless it's on a level surface and you have to push a little to get it going. |
09-21-2020, 09:51 AM | #7 | |
48/400/Alltrax HS motor
Join Date: Jan 2007
Location: Liberty SC, Garden City SC
Posts: 6,190
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Re: 93 marathon barely moves
Quote:
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09-21-2020, 09:57 AM | #8 |
Not Yet Wild
Join Date: Sep 2020
Posts: 9
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Re: 93 marathon barely moves
After charging, I've got 38.4.
When measuring voltage at controller B+ and M- I got no voltage at rest, 7.3 v when initiating throttle, and 9.5v with throttle fully engaged (to the floor). |
09-21-2020, 10:01 AM | #9 |
Not Yet Wild
Join Date: Sep 2020
Posts: 9
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Re: 93 marathon barely moves
No noise in rear end except normal motor noise. when lifted from floor wheels turn but not with any "umph"
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09-21-2020, 10:09 AM | #10 |
48/400/Alltrax HS motor
Join Date: Jan 2007
Location: Liberty SC, Garden City SC
Posts: 6,190
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Re: 93 marathon barely moves
Your not getting voltage to the controller if those reading are right. You should have full pack voltage. You sure the throttle readings are right?
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