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Unread 10-27-2011, 07:13 PM   #11
Gone Wild
 
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Location: Bunnell, Florida
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Default Re: Club Car DS 2002 Lurches forward, then Stops

It's just like having a bad battery in a flashlight. You'll get a second or so of light then it goes out. The bad battery will initially provide a current flow, but then the rest of the batteries are, in effect, trying to charge the one with the dead cell. No current can pass through. Not a very good explanation, I know, but one single bad cell in any of your batteries can cripple your cart! Someone else will probably have a much better description of this than I do. I'll be interested in the answer also!
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Unread 10-27-2011, 11:09 PM   #12
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Default Re: Club Car DS 2002 Lurches forward, then Stops

I understand your point.

But when I measured the A1 post of the motor, the voltage dropped from 47 Volts to about 10 volts, as the cart moved forward a few inches. Then the voltage went back to 47 volts and stayed there, even as my friend continued to depress the acceleration pedal, but the cart remained motionless after the first lurch. So it's as if the controller unit switched off the motor ( perhaps by keeping armature windings A1 and A2 at the same 47 Volts?), when it sensed that the loaded voltage was way too low. Otherwise, I would have expected to see the same loaded 10 Volts the whole time he pressed the accelerator.

BTW, I was curious: does the car reverse direction by reversing the armature polarity (A1/A2), or the field polarity (F1/F2)?
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Unread 10-28-2011, 12:05 AM   #13
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Default Re: Club Car DS 2002 Lurches forward, then Stops

Quote:
Originally Posted by shadowman View Post
if this is a 48 volt cart there should be no 6 volt batteries in there thats a no-no.............and yes check your batteries at the battery post not at the motor, you can put the meter across each one and have someone press the pedal that should work....................how many 6 volt batteries are in it? or is it a 36 volt cart? i thought they quit making 36 volt carts in 2001 but maybe its 2003 i,m not certain but right now you really need to get the batteries figured out cause if not it dosn,t matter what anyone does its not gonna get you anywhere if the pack isn,t right........................
What he said, that six volt could possibly blow up when charged with the rest of the pack on a 48v charger. Fix that first and then go from there.
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Unread 11-17-2011, 09:37 AM   #14
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Default Re: Club Car DS 2002 Lurches forward, then Stops

The problem was exactly what you all agreed
it was: the single low-voltage, about 6 volts deep
cycle marine battery was replaced with a
used, but still good 8.4 volt unit, and the
problem was solved. This is a 48 volt system,
with 6 times 8volt batteries.

Amazing how many technical problems are
actually quite simple, if you know what to
look for.

I'll know what to look for in the future,
thanks to you guys.

Again, thanks for all the helpful responses!

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Unread 11-17-2011, 10:22 AM   #15
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Default Re: Club Car DS 2002 Lurches forward, then Stops

Quote:
Originally Posted by Paul678 View Post
The problem was exactly what you all agreed
it was: the single low-voltage, about 6 volts deep
cycle marine battery was replaced with a
used, but still good 8.4 volt unit, and the
problem was solved. This is a 48 volt system,
with 6 times 8volt batteries.

Amazing how many technical problems are
actually quite simple, if you know what to
look for.

I'll know what to look for in the future,
thanks to you guys.

Again, thanks for all the helpful responses!








.................glad to hear it was just a dead battery, amazing what 1 bad battery will do to a cart but sometimes you still can,t make people understand all it takes is one and thats it............................
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