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Electric Club Car Electric DS, and Precedent golf cars |
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03-03-2019, 05:51 PM | #21 | |
Not Yet Wild
Join Date: Feb 2019
Posts: 22
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Re: Cart new to me, new set of batteries full charge barely moves
The smaller (-) cable I am assuming is the OBC bypass. It was there when I bought the cart and I assumed that what what it was. It runs into a nice wire loom that I didn't want to take apart so I decided to test by attaching the new charger knowing that if the OBC was not bypassed it would not charge. Since the charger charged for 4-5 hours and then went into float, I assumed it was the bypass. I can track it down if need to.
I will re-route and re-order the wiring as you suggested. Quote:
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03-03-2019, 08:16 PM | #22 | |
MOD of all BS!
Join Date: Sep 2011
Location: Florida
Posts: 17,477
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Re: Cart new to me, new set of batteries full charge barely moves
Quote:
If you have checked the other things, then with key switch On, Fwd/Rev rocker switch in the Fwd position (and also have the back jacked up off the ground). Get your DVM and place the black (–) probe at the motor A2 (white wire) and connect the red (+) probe at the motor A1 (green wire) and slowly depress the Go Pedal. When you hear the click, the voltage reading should increase from ~5vdc gradually going up to approximately ~45-48vdc (could be higher) with the accelerator pedal fully pressed. |
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03-03-2019, 09:16 PM | #23 |
Old Sky Soldier
Join Date: Dec 2011
Location: Kentucky
Posts: 3,881
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Re: Cart new to me, new set of batteries full charge barely moves
If you have a dynamic braking solenoid it can fail to close and the cart will try to run by pulling power through the coil which will make the cart very slow.
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03-04-2019, 06:07 PM | #24 | |
Not Yet Wild
Join Date: Feb 2019
Posts: 22
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Re: Cart new to me, new set of batteries full charge barely moves
With the battery pack at 50.9 volts before the test, advancing the accelerator resulted in readings from 0.6v to 20.6v at full throttle.
Quote:
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03-04-2019, 06:11 PM | #25 |
Not Yet Wild
Join Date: Feb 2019
Posts: 22
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Re: Cart new to me, new set of batteries full charge barely moves
Although I am not sure this is the way to test the solenoid, I get 50.9v from each large pole of the solenoid to the (-) battery pack with the switch on.
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03-04-2019, 08:11 PM | #26 |
Old Sky Soldier
Join Date: Dec 2011
Location: Kentucky
Posts: 3,881
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Re: Cart new to me, new set of batteries full charge barely moves
The coil connects both sides together. But the coil will not allow enough amps to drive the cart. You can connect both cables to the same side to test to see if that is your problem.
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03-05-2019, 08:16 PM | #27 | |
MOD of all BS!
Join Date: Sep 2011
Location: Florida
Posts: 17,477
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Re: Cart new to me, new set of batteries full charge barely moves
Quote:
Note- Make sure all your throttle linkage is in place under the cart and not sagging or slopping to the point it is not fully actuating the potentiometer. |
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03-06-2019, 05:10 PM | #28 | |
Not Yet Wild
Join Date: Feb 2019
Posts: 22
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Re: Cart new to me, new set of batteries full charge barely moves
Thanks man, I will do some more testing and post.
Quote:
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03-06-2019, 05:15 PM | #29 |
Not Yet Wild
Join Date: Feb 2019
Posts: 22
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Re: Cart new to me, new set of batteries full charge barely moves
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03-06-2019, 07:12 PM | #30 |
MOD of all BS!
Join Date: Sep 2011
Location: Florida
Posts: 17,477
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Re: Cart new to me, new set of batteries full charge barely moves
That look like it. There would be a resistor coil being fed from it. Here is a print.
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