07-29-2013, 09:57 PM | #1 |
Not Yet Wild
Join Date: Feb 2010
Location: South Dakota
Posts: 60
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Ds obc
Have a 2002 DS that does not charge. Plug charger in an comes on but amp meter stays at zero. Tried a second charger with same results. Guessing its the OBC? How do I test? Can I use a Yamaha charger by replacing the plug? Will anything in the OBC be harmed or need disconnecting when using another charger?
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07-29-2013, 10:03 PM | #2 |
Rode hard, put up wet!
Join Date: May 2013
Location: Southeast Missouri
Posts: 458
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Re: Ds obc
I found this for you on another thread posted by Crash Test Dummy! He helps out a lot of technical questions and has a great diagram repertoire in his database. And by the way, if it doesn't work for ya then blame him, I'm just coping and pasting to help....
try resetting the OBC 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 to by pass OCB DO AT YOUR OWN RISK.…do not attempt unless you are familiar with electricity and electronics! There are two ways to force the charger to turn on regardless of the OBC. The first method is to disconnect the cart’s gray wire at the fuse near the charger receptacle. Then using a jumper wire, connect the receptacle side of the fused connector to the cart’s negative battery terminal. This will energize the charger’s 48V relay. If the charger doesn’t come on, it could be bad connections, wiring or charger relay. The second method is to open the charger and remove the 120V wires from the relay and jump these together. This totally bypasses the relay and the OBC wire. (If charger comes on but the charger ammeter shows 0 amps, check the fuse at the charging receptacle under the clear plastic cover.) Both of these methods should both be temporary measures for troubleshooting, or as an emergency method of charging the batteries when they have been discharged so far that the OBC will not charge them. The OBC provides the optimum method of charging the cart’s batteries. If the OBC is bad, it should be replaced. |
07-30-2013, 12:33 AM | #3 | |
Gone Wild
Join Date: Aug 2009
Posts: 14,245
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Re: Ds obc
Quote:
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07-30-2013, 06:08 AM | #4 |
Gone Wild
Join Date: Dec 2010
Location: Orlando
Posts: 382
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Re: Ds obc
Note that sometimes your OBC could be so shot that even the bypass methods don't get charger to come on. There are 2 options to fix your cart...first is get a new OBC obviously or you could get a automatic timer that you wire to your charger that will make the charger monitor the charge and not the OBC. The timer method is much cheaper and can be removed from your charger if you ever plan on fixing the OBC or whatever. PM me and I can give you more details
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07-30-2013, 06:26 AM | #5 | |
Medicare Recipient
Join Date: Jun 2011
Location: West Michigan
Posts: 3,541
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Re: Ds obc
Quote:
. . . so, bypassing (removing) OBC from charging circuit, it can still prevent charger from working, assuming charger is functional? Interesting . . . how? . . . |
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07-30-2013, 06:33 AM | #6 |
Gone Wild
Join Date: Dec 2010
Posts: 635
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Re: Ds obc
Good info
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07-30-2013, 07:20 AM | #7 | |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: Ds obc
Quote:
If the SCR is bad, the batteries will not charge even if the charger relay is activated. |
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07-30-2013, 08:28 AM | #8 |
Not Yet Wild
Join Date: Feb 2010
Location: South Dakota
Posts: 60
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Re: Ds obc
To then bypass the OBC one would run a wire from the negative on the charger plug to the negative battery terminal?
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07-30-2013, 08:50 AM | #9 |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: Ds obc
Yes that in addition to the relay bypass should keep the charger running non-stop.
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07-30-2013, 09:28 AM | #10 |
Gone Wild
Join Date: Dec 2010
Location: Orlando
Posts: 382
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Re: Ds obc
You are only bypassing one part of it... It's impossible to go totally around the obc since it's part of the charging circuit. I don't know the internals of the obc but I have replaced at least 100 obc that couldn't be bypassed
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