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Unread 09-28-2015, 07:28 PM   #1
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Default 1996 DS, charger will not excite, new batteries

Hello and TIA,

Let me explain that I have been over some of the older posts about this topic but none seem to hit smack in the middle of this issue.

I have a 1996 Club Car recently purchased and had tried to get the installed batteries to charge. There was no indication that the charger was working. When the charger is plugged into another Club Car, it works fine. Assuming it was the batteries I purchased 6 new 8V batteries and installed. The cart now operates fine but does not charge, no indication it is working. I tried another charger and it does not indicate either.

So.., I hesitate here because what I did next could be considered fairly stupid, I removed the positive wire off the first battery inline that went to the electric motor and plugged in the charger. It attempted to charge the batteries for about 7 seconds then it shut off. I tried multiple times and each time the duration of charging decreased until it was less than a couple seconds.

I am unsure how to verify if the cart charging port is working properly. What could be the problem with it not charging and how do I diagnose/troubleshoot? Did I break something else?

Much obliged, Sam
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Unread 09-28-2015, 07:36 PM   #2
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Default Re: 1996 DS, charger will not excite, new batteries

did you reset the OBC ?
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Unread 09-28-2015, 08:05 PM   #3
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Default Re: 1996 DS, charger will not excite, new batteries

Is that the procedure where the negative attached to the OBC is removed for 15 minutes, reattached, the cart operated a few feet then connect the charger?
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Unread 09-28-2015, 08:30 PM   #4
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Default Re: 1996 DS, charger will not excite, new batteries

Resetting the Club Car On board computer - reset the OBC

To reset the OBC the following must be done in this order:

If no Tow/Run Switch then skip that step

• Key Switch to Off
• Forward/Reverse to Neutral
• Tow/Run Switch to Tow
• Disconnect the Battery NEGATIVE (–) wire from the Battery Minus terminal on the battery pack.
• Put the Tow/Run to Run
• Forward/Reverse Switch to Reverse
• Key Switch to On
• Lock the throttle pedal down

The reverse buzzer will sound and go off in about 30 seconds.
Leave the cart like that for 5 min to cause the OBC to reset.

To reconnect the OBC back into the system:
• Key Switch to Off
• Forward/Reverse Switch to Neutral
• Tow/Run switch to Tow
• Reconnect the Batt – wire to the battery minus
terminal on the battery pack.
• Tow/Run switch to Run
• Key Switch to ON

Did it, not charging. This is your previous post, thank you.
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Unread 09-28-2015, 08:42 PM   #5
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Default Re: 1996 DS, charger will not excite, new batteries

Is there a red cable coming from the back of the charge port going to the main positive battery terminal?

Also, thanks for teaching me a new internet acronym...
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Unread 09-28-2015, 08:52 PM   #6
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Default Re: 1996 DS, charger will not excite, new batteries

Yes sir Jakesnake27.
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Unread 09-28-2015, 08:53 PM   #7
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Default Re: 1996 DS, charger will not excite, new batteries

Are you getting full pack voltage across the main terminals? What is the exact reading?
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Unread 09-28-2015, 09:07 PM   #8
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Default Re: 1996 DS, charger will not excite, new batteries

Charging System Troubleshooting: (Charger Won't Turn On)

*

*********** 1. The first step would be to make sure the vehicle has enough voltage to trigger the charger turn-on signal from the on-board computer. Check the battery voltage of the entire battery pack with a digital volt meter. Put the positive lead on the MAIN positive battery post and the negative lead on the MAIN negative battery post. Total voltage should be at least 36-38 Volts. If it's not, you must boost the batteries individually. Contact me for further instructions on how to do so. If you do not have a digital volt meter you can perform this test by attempting to run the vehicle. If the vehicle has enough energy to make the solenoid switch "click" and attempt to run, it also has enough energy to engage the charger relay. This step may be skipped.

*

*********** 2. The next step is to check all wiring. Locate the charger receptacle of the vehicle. On the back of the charger receptacle you will see three wires. Red is the positive. Black is the negative. Grey is the On-Board computer control wire. Make sure that the red wire is in good shape and follow it all the way to the MAIN positive battery post. Make sure there is a good connection on the battery and ensure that the wire isn't corroded or broken. If it is, clean it and re-attempt to charge the vehicle. The black wire is not at risk of corrosion because it is wired directly into the on-board computer. As for the grey wire, give it a light pull outward and ensure that isn't broken inside the charger receptacle. The grey wire will often break inside the receptacle and will easily pull out the back. If this happens, you must replace the receptacle.

*

*********** 3. If you have a Club Car DS or Carryall vehicle you will have two fuses to check near the charger receptacle. One is an inline fuse located on the grey control wire mentioned in step two. It is located inside a yellow rubber fuse holder. Pull the fuse holder apart and check the fuse with your meter to ensure that there is continuity. If the fuse is bad, replace it with a 3/8 amp fuse. Anything else will damage the charging system. There is also a larger fuse bolted to the back of the charger receptacle. You'll see that there are two black wires bolted to the back of the receptacle. This is where you'll find the fuse. On the opposite side you'll see a fuse element inside a plastic window. Check this fuse with a multimeter as well. On the continuity setting, place each lead of your multimeter on each of the nuts where the black wires are bolted to the back of the receptacle. If you have continuity, the fuse is good. If you don't, replace the fuse.

*

*********** 4. Check the charger relay. Pull the cover off of the charger and locate the relay. On PowerDrive 17930 models you'll find the relay on the bottom floor of the charger at the front. On PowerDrive2 22110 models you'll find it bolted to the front wall of the charger above the circuit breaker. Make sure both power cords are unplugged from the charger and pull the blue wire and red wire off of the charger relay. If you look closely at the relay you'll notice that there are four posts. Two large posts, and two small posts. These red and blue wires are plugged into the smaller two posts of the relay. Once you've gotten them unplugged, set your multimeter to check for DC voltage and insert the leads of the multimeter into the ends of these two wires that you unplugged from the relay. Plug the cord into the golf cart. It is not necessary to plug the other cord into the wall. Within 2-10 seconds of plugging the cord into the cart, you should see full battery voltage on the screen of your meter. If so, this is an indication that the on-board computer is communicating with the charger and commanding the relay to turn on. If your charger hasn't been "clicking" on, replace the relay. If you don't see a change in voltage on your screen when this test is performed, this is an indication that the on-board computer has failed and is no longer able to communicate with the charger. The on-board computer must be replaced.

*

*********** Please contact me for further assistance if you need to. I don't mind at all. Thanks.
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Unread 09-29-2015, 07:59 AM   #9
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Default Re: 1996 DS, charger will not excite, new batteries

WOW ... just fantastic !!
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Unread 09-29-2015, 01:23 PM   #10
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Default Re: 1996 DS, charger will not excite, new batteries

jakesnake27, 49.7 red wire/black wire of battery pack, 37.1 at the charger connector

TDZ71, #1, 2, 3 check, #4 the charger works on another cart.
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