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Old 10-05-2021, 03:40 PM   #1
TinkerTowns
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Red face 2000 Club Car Series cart is slow w/ new batteries

TinkerTowns here,

I have inherited a project with a 48v series club car DS. When I received the cart, it was operational but slow. I load tested batteries and found out they were extremely weak. So, I installed brand new batteries (6 8vís) and is still just as slow. By slow I mean 5-10 mph. Since this is a series cart, there is no speed sensor on end of electric motor. Tires are 22Ē and havenít had this issue before with series carts. Since there is no speed sensor and new batteries test great, am I only left with Motor/controller/solenoid? Iíd hate to dump 500-700 in a upgraded controller but will do if needed.

Motor part # is 101785701
Cart serial # is A0034-923324

Any thoughts?
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Old 10-05-2021, 10:11 PM   #2
Swan
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Default Re: 2000 Club Car Series cart is slow w/ new batteries

here's a full breakdown of your cart , Page 126 is the complete electrical schematic
Attached Files
File Type: pdf 2000 Illustrated Parts List.pdf (9.63 MB, 0 views)
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Old 10-05-2021, 11:15 PM   #3
Nicko773
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Default Re: 2000 Club Car Series cart is slow w/ new batteries

Take a look to see if your getting full throttle Power on the V glide.
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Old 10-13-2021, 04:33 PM   #4
TinkerTowns
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Default Re: 2000 Club Car Series cart is slow w/ new batteries

I just replaced potentiometer and issue is still present. I suppose Iím left with motor? Any suggestions?
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Old 10-13-2021, 06:15 PM   #5
Swan
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Default Re: 2000 Club Car Series cart is slow w/ new batteries

I would do the controller first

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Old 10-13-2021, 06:39 PM   #6
Fairtax4me
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Default Re: 2000 Club Car Series cart is slow w/ new batteries

Series carts are usually kinda slow, but that seems excessively slow, especially for 22" tires.

What voltage is coming out of the controller on pin 2? Or maybe its Pin 3. One of those should output 5v to the throttle. The other is throttle signal back.

What throttle does the cart have? You said a pot box, is it an MCOR? V-glide pot?

Another thing that makes a difference is if the microswitch for the half speed reverse is wired incorrectly you will only get half speed either direction.
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Old 10-18-2021, 07:36 AM   #7
TinkerTowns
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Default Re: 2000 Club Car Series cart is slow w/ new batteries

Fairtax4me- it is v glide box. Replacing with new didnít Fix the problem. I have replaced the controller with a new 400ampÖ replacing the 225amp controller that was originally in the cart. Replacing the controller did not improve any performance whatsoever. I would have thought there would be a noticeable difference. So the series motor and FNR micro are my last options? I will say that the cart continues to increase speed going down hills(didnít know if this makes a difference with troubleshooting).
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