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Old 01-22-2019, 12:49 PM   #1
stonewolf2009
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Default 99 club car ds is running slow and dying fast.

Hello, i have a 99 club car ds, 48v. It was once a fast cart. Now it travels slow and dies within 2 hours. I have load tested the batteries,all were good. SG was good as well. All cables were checked and in good shape. And i am lost as to where to go from here

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Old 01-22-2019, 01:03 PM   #2
BBBHC
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Default Re: 99 club car ds is running slow and dying fast.

From what I have seen on here, 99% of the time it ends up being batteries. Seen a lot of threads with all kinds of trouble shooting and almost always ends up being batteries. That or bad/loose connections.

How old are your batteries, is the water at proper height, what do each individual battery test out on the volts?

Some more experienced folks will be along shortly to help with trouble shooting, but they will want to know that information right off.
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Old 01-22-2019, 04:55 PM   #3
NoleFan4Ever
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Default Re: 99 club car ds is running slow and dying fast.

Definitely sounds like batteries. What is the pack voltage at the time you feel it dying? 50.93 if fully charged....
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Old 01-22-2019, 05:10 PM   #4
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Default Re: 99 club car ds is running slow and dying fast.

I think the question most of us have would be: how did you load test the batteries? I agree with the rest that it sounds like a battery issue. If you look through enough of the battery related threads you find write-ups of hooking up a volt meter and taking readings ad you drive. By far the best way to get real world info.
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Old 01-22-2019, 05:15 PM   #5
Fairtax4me
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Default Re: 99 club car ds is running slow and dying fast.

Your batteries are failing. Their capacity is lost due to age, or there could have been some misuse or neglect in the past which has caused them to lose capacity.

When the capacity drops, you get lower output voltage when under load, and shorter run time. Checking voltage a rest may show the pack sitting at the correct voltage, it may even be slightly above, but that will quickly drop once the cart is actually in use, and it will not rebound back to that voltage when you stop.

"Load testing" with a typical carbon pile tester really doesn't tell you much in this case. You need to check the voltage of the entire pack while the cart is in operation. It will also help to check voltage of each battery individually.
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Old 01-22-2019, 05:39 PM   #6
stonewolf2009
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Default Re: 99 club car ds is running slow and dying fast.

Thank you for the replies. When i get to the shop in morning i will set up and test while in operation.
As for load testing, I used a load tester that i have in the shop. I hooked it to each individual battery. Hit the load bottom. All read as good.

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Old 01-22-2019, 07:24 PM   #7
NoleFan4Ever
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Default Re: 99 club car ds is running slow and dying fast.

Most likely that one is for CA or CCA and you wnat to load test for A-H (AmpHours) on these type batteries.
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Old 01-23-2019, 12:16 AM   #8
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Default Re: 99 club car ds is running slow and dying fast.

Quote:
Originally Posted by NoleFan4Ever View Post
Most likely that one is for CA or CCA and you wnat to load test for A-H (AmpHours) on these type batteries.
My guess is that the load tester is designed for 12V batteries. Depending on which type it is, it could definetly give false readings. Check the whole pack, then each individual battery with a meter under load.
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Old 01-23-2019, 06:54 PM   #9
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Default Re: 99 club car ds is running slow and dying fast.

Can you put a 400 amp load on battery?If not the load testor isn’t big enough.Have you use a hydrometer on batteries after it charged?
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Old 01-23-2019, 07:45 PM   #10
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Default Re: 99 club car ds is running slow and dying fast.

Quote:
Originally Posted by stonewolf2009 View Post
Hello, i have a 99 club car ds, 48v. It was once a fast cart. Now it travels slow and dies within 2 hours. I have load tested the batteries,all were good. SG was good as well. All cables were checked and in good shape. And i am lost as to where to go from here

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WAIT,,, is this cart a series cart?? If it is a regen 2 which they had in 99 you most likely have a bad solenoid on the drivers side. If the cart has a flip toggle FNR switch then the likely problem is the regen solenoid.

Look on the driver side in the back. There should be a solenoid with a coil on it. Take the larger cables off and put them both on the same post. Then unhook the speed sensor off the right side of the motor. Then hang on if it is what I'm thinking it will run good again.
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