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Electric Club Car Electric DS, and Precedent golf cars |
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05-26-2019, 05:40 AM | #1 |
Getting Wild
Join Date: Dec 2011
Location: Maine in Summer Florida in Winter
Posts: 103
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‘13 Precedent 48V electrical issue
Good Morning. 2013 Precedent with 2015 batteries. This is a friends cart. Cart just came out of winter storage where power was not available. Put on a full 16 hour charge. Ran well for a couple of days. Not really driven that far. Battery light came on and cart was kind of jerking. Now here is the bad part....he opted to have someone tow it to my place without putting the tow/run switch in tow. When he got to my place the cart smelled really bad of electrical burning. Pretty sure he has damaged the motor at least. What would be the strategy here?
I need to figure out the original problem but am concerned that it may be masked by the overheating of the motor and controller during the tow. I typically only work on gas CC so I have no testing equip such as a diagnostic tester. Obviously I do have a multi-meter. Any suggestions for a starting point.? Batteries were fully charged overnight. Thanks in advance. Edit: 4 batteries are at 8.3 V and 2 are at 7.7V. The 2 with the low voltage have dry cells so that is likely the original problem. What do these motors cost? Last edited by Motorman 007; 05-26-2019 at 08:46 AM.. Reason: More info |
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05-26-2019, 11:42 AM | #2 |
Bonafide Nincompoop
Join Date: Dec 2015
Location: Charlottesburg Va
Posts: 8,987
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Re: ‘13 Precedent 48V electrical issue
Batteries might be able to be saved. Fill the dry ones to just above the tops of the plates and charge them. Disconnect the pack negative to reset the OBC so they get a longer than normal charge. After charging top off the water levels to 1/4” or so below the fill holes.
The motor is probably toast and there’s a chance the controller may be damaged as well. Brand new motors can be $500 or more. You might try to find a used motor, they’re usually in the $200 range. |
05-26-2019, 01:15 PM | #3 | |
Getting Wild
Join Date: Dec 2011
Location: Maine in Summer Florida in Winter
Posts: 103
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Re: ‘13 Precedent 48V electrical issue
Quote:
The motor looks like it’s fairly accessible through the rear access panel. It smells pretty bad. The wiring to and from it looks fine. Should I get a couple of batteries and a motor and swap it out? |
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05-26-2019, 05:39 PM | #4 |
Bonafide Nincompoop
Join Date: Dec 2015
Location: Charlottesburg Va
Posts: 8,987
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Re: ‘13 Precedent 48V electrical issue
If the ends are split it probably froze. All of the batteries may have been close to the same fate. Might try picking up one or two used batteries, but I think in the end the entire pack will need to be replaced.
You can get to the motor through the rear access but I don’t remember if there is enough room to slide it off of the axle without lowering the axle down. At the very least it will need a motor. You could take it apart but you’ll probably find the commutator and brushes burned beyond reasonable repair. |
05-27-2019, 05:22 AM | #5 |
Getting Wild
Join Date: Dec 2011
Location: Maine in Summer Florida in Winter
Posts: 103
|
Re: ‘13 Precedent 48V electrical issue
Thanks for the replies...the motor is out. Fairly easy access through the rear panel. Going to grab a battery and new motor and take it from there. Thanks again.
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06-01-2019, 02:16 PM | #6 |
Getting Wild
Join Date: Dec 2011
Location: Maine in Summer Florida in Winter
Posts: 103
|
Re: ‘13 Precedent 48V electrical issue
Update for those following this....probably not too many but figured I would do it anyway. Took the motor to my local alternator and starter rebuilder who while having no way to bench test the motor was more than up to the challenge. The windings tested out as good. He machined the armature and installed some new brushes. I bought two new Trojan batteries from him as well. The cart is back together and seems to run well.
The original problem after giving it much thought is that the two bad batteries became discharged over the winter due to the voltage reducer used for the headlights being “hot” all the time thus creating a draw. The batteries froze and burst. Lesson learned. There is now an inline switch to eliminate the problem. |
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