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Electric Club Car Electric DS, and Precedent golf cars



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Unread 04-27-2010, 02:08 PM   #31
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Default Re: 2006 Precedent battery question

After speaking with a tech about this, seems like the Precedent OBC's don't like being forced to charge. One of the leads that charges the batteries is going through the OBC. It works fine on DS's and the Charger manual says to do it this way but... the tech said they haven't had good results with the Precedent because of their OBC's. The good news is there is a way to do this but you'll need jumper wires with alligator clips on them. You'll have to place the clips on the pins coming out of your DC cart plug and connect directly to the #1 and #4 battery... and they must be done EXACTLY the correct pin for the correct battery as well, making sure that the alligator clips DON'T touch in the DC charger plug side. I'm putting this out there for future reference but I believe this is not for you! (facing the plug and looking inside it with the upper center pin at the top, the Lower Pin on the left is the Positive side going to battery #1 positive. The Lower Pin on the right is the Negative side and goes to battery #4 negative.) In simple terms you're just bypassing the Charger receptacle and going directly to the batteries for this bulk bypass charge.

The easiest way if this confuses you is to get a simple 12v car charger and place on the batteries one at a time, (since you have 12v batteries I'd suggest one at a time,) until each battery comes up to 12 volts.)

Batteries near the low end of 9 volts might never come back, especially if they are not new so using a simple 12v charger to bring them up would make the most sense at this time for you.
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Unread 04-27-2010, 02:19 PM   #32
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Default Re: 2006 Precedent battery question

Just for kicks... I'm listing what the manuals have to say about low battery and bypass charger procedures... After today I'll have a new way to do this... not in the manual

From the Precedent Manual:
CHARGING A BATTERY PACK THAT HAS LOW VOLTAGE
See the appropriate battery charger maintenance and service manual.

From the Domestic PowerDrive Battery Charger 2005 Service manual:
CHARGING A BATTERY PACK THAT HAS LOW VOLTAGE
See General Warning, Section 1, Page 1-1. See additional WARNING on page 6-1.
If battery pack voltage is below 34 volts, the charger will not activate. The charger relay will have to be
bypassed to activate the charger. See following WARNING.

WARNING
• Knowledge of battery charger wiring and component terminology is required before
attempting any repair (Figure 6-6, Page 6-8.
• Prior to servicing the charger, disconnect the AC power supply cord from the wall outlet and
the DC plug from the vehicle charger receptacle.

1. Turn key switch OFF and place the Forward/Reverse handle in the NEUTRAL position. Leave the batteries connected.
2. Disconnect AC cord from the wall outlet and DC plug from the vehicle receptacle.
3. Remove the screws securing the charger cover and remove the cover from the charger.
4. To apply AC power directly to the transformer primary coil, the relay must be bypassed.
4.1. To bypass the relay, remove the orange wire (3) from the AC circuit breaker and disconnect the
brown wire (4) from the relay. Connect the brown wire (4) to the AC circuit breaker (Figure 6-21, Page 6-31). See following DANGER.

DANGER
• Do not touch any wire or component in the battery charger while AC power is present. Failure
to heed this warning will result in an electric shock.

5. Plug the DC cord into the charger receptacle first, and then plug the AC cord into an electrical outlet.
GE POWERDRIVE CHARGER (EXTERNAL) Charging a Battery Pack that has Low Voltage 2005 Domestic Battery Charger Maintenance and Service Manual Page 6-31.

6. The charger should activate and begin to charge the batteries. Allow the charger to operate for one or
two hours. See following WARNING.

WARNING
• Do not leave the vehicle unattended while it is charging. A charger operating with a bypassed
relay could short circuit and possibly cause a fire.

7. After one or two hours, disconnect the charger AC cord from the electrical outlet first. Then disconnect the DC cord from the charger receptacle in the vehicle.
8. Disconnect the transformer wire (4) from AC circuit breaker and connect it to the relay. Connect the short orange wire (3) from the relay to the AC circuit breaker (Figure 6-21, Page 6-31).

See following WARNING

WARNING
• The relay wiring must be properly connected prior to placing the charger back into normal service. Failure to properly connect the relay wiring could result in property damage, severe personal injury, or death.

9. Install the charger cover and the retaining screws.
10. Plug the DC cord into the charger receptacle and plug the AC cord into an electrical outlet.
11. Allow the charger to continue charging the batteries until the charger shuts off automatically.
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Unread 04-27-2010, 02:24 PM   #33
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Default Re: 2006 Precedent battery question

The 12v car charger sounds like the most realistic option.

Can you give me an idea of my current situation at 40 volts? What kind of shape are my batteries in? Do you think it's worth buying a 12V car charger?

How much run-time can I get out of the batteries per day?

Please let me know. Thank you.
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Unread 04-27-2010, 02:31 PM   #34
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Default Re: 2006 Precedent battery question

Quote:
Originally Posted by atomarchio View Post
The 12v car charger sounds like the most realistic option.

Can you give me an idea of my current situation at 40 volts? What kind of shape are my batteries in? Do you think it's worth buying a 12V car charger?

How much run-time can I get out of the batteries per day?

Please let me know. Thank you.
I would try the charger first. You can borrow someones or purchase a new one from Harbor Frieght for under $40. A set of batteries will cost you $550 easy if not more. Your's are a couple years old and may only have 1 to 2 years left but you'll never know until you try. Your call!
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Unread 04-27-2010, 02:35 PM   #35
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Default Re: 2006 Precedent battery question

Should I put the wires back into the charger like before we did the bypass?

How difficult is a 12V charger to operate? Is there a local retailer that I can buy one of these from?

Guess I will give it a shot and see what happens. Thanks.
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Unread 04-27-2010, 02:39 PM   #36
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Default Re: 2006 Precedent battery question

Quote:
Originally Posted by atomarchio View Post
Should I put the wires back into the charger like before we did the bypass?

How difficult is a 12V charger to operate? Is there a local retailer that I can buy one of these from?

Guess I will give it a shot and see what happens. Thanks.
Yes, put the charger back the way it was.

Very simple on the 12 v charger... just two cables, one black for the neg terminal and one red for the pos terminal. Plug it in, turn it on and that's it. Just do one at a time to make it simple for you.

By the way, once you put the charger back the way it was, try it again just to see what happens... you do show more then enough volts for that to come on... maybe it will!

Good luck! One more thing... can you test each battery with your voltmeter, each by itself, to see what each one reads and post it here? Maybe one of your batteries is just too low.
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Unread 04-27-2010, 03:51 PM   #37
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Default Re: 2006 Precedent battery question

Is this a deep cycle battery? Should I get 10 amp charger or smaller? I am at the store now and I guess the wrong charger can ruin the battery.
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Unread 04-27-2010, 04:00 PM   #38
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Default Re: 2006 Precedent battery question

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Originally Posted by atomarchio View Post
Is this a deep cycle battery? Should I get 10 amp charger or smaller? I am at the store now and I guess the wrong charger can ruin the battery.
Get the largest amp charger available. Oh... and keep the receipt just in case!
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Unread 04-27-2010, 04:54 PM   #39
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Default Re: 2006 Precedent battery question

Each battery measured 13 volts before I connected the charger. I then connected the charged and they each reach full voltage right away.

Then I realized that I was probably using the voltmeter wrong. I was using positive on battery #1 but I was going to the negative diagonally to get the 40 volts.

I then tried the negative on the battery across on the passenger side and got 52 volts.

That was the issue, right?
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Unread 04-27-2010, 05:38 PM   #40
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Default Re: 2006 Precedent battery question

Quote:
Originally Posted by atomarchio View Post
Each battery measured 13 volts before I connected the charger. I then connected the charged and they each reach full voltage right away.

Then I realized that I was probably using the voltmeter wrong. I was using positive on battery #1 but I was going to the negative diagonally to get the 40 volts.

I then tried the negative on the battery across on the passenger side and got 52 volts.

That was the issue, right?
If you have 52 volts you have a fully charged battery pack and then some. Do me a favor and drive your cart around the block a couple of times and then come back and measure the pack once again.

I'm also going to post a picture of the batteries and where they should be tested...
OK, in the picture is the 4 batteries you have. I've circled where the test leads should be placed, on the terminals of course. The front battery, (the one on the driver side,) shows POS which would be the Positive test lead from your meter. The NEG then would be the terminal to use for your Negative lead from your meter, (the battery on the passenger side.) This should equal your TOTAL battery pack. Is this where you placed your meter just now and took the reading of 52 volts?

Re-posting the picture... The front of the cart in the picture is the right side...
Attached Images
File Type: jpg Test Lead Positions.jpg (102.2 KB, 38 views)
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