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Unread 05-11-2010, 07:02 PM   #11
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Default Re: 97 48v club OBC

Help anyone!!!! Just installed the new batteries making sure wiring is correct. The charger would not turn on, the battery pack read 45 volts, jumped out the relay in the charger to get the charge cycle going. Am i headed in the right direction. And how long should i charge before i reconnect the relay. I really dont want to overcharge the new batts thanks for any help
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Unread 05-11-2010, 07:18 PM   #12
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Default Re: 97 48v club OBC

Old Mec is right... It's probably the batteries causing the charger not to turn off.... What does your charger do when you plug it in? If it's working properly it should turn on within 2-10 seconds of insertion, NOT INSTANTLY. If it's instantly, replace the OBC, it's stuck in charge mode and will never turn off. If it does have a delay as I mentioned above, you're good... It should calibrate within 2-10 seconds of turning on by turning off, and back on. It will then complete the charge cycle. If this happens... don't worry. It should work fine.
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Unread 05-11-2010, 07:24 PM   #13
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Default Re: 97 48v club OBC

It did not turn on automatically, i had to jump out the relay in the charger to turn it on. If the voltage is to low in the pack i think the charger will not turn on
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Unread 05-11-2010, 09:25 PM   #14
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Default Re: 97 48v club OBC

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Originally Posted by JAY MAN WAY View Post
It did not turn on automatically, i had to jump out the relay in the charger to turn it on. If the voltage is to low in the pack i think the charger will not turn on
I'm sorry I misread... I thought you said it would not turn OFF..... 45 volts is plenty to make the charger turn on... You actually only need around 30. Anyways.... Give a little tug to the gray wire in the back of the charger receptacle and make sure it's still hooked up tight internally in the receptacle itself. If it is, check the fuse in the yellow boot and make sure it's not blow... check the red wire that runs from the charger receptacle to the main positive post on the battery pack to make sure it's not broken... If it still wont turn on the charger you've either got a bad charger relay or a bad on-board computer on the car.
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Unread 05-12-2010, 08:59 AM   #15
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Default Re: 97 48v club OBC

Thanks tahoedawg this has been quite an adventure, now i checked the battery charger it still reads 4.5 amps and its been running for 15 hours should i unplug the charger or let come down to 0. Battery pack is at 59 .3 volts with the charger on. Thanks for your help
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Unread 05-12-2010, 09:05 AM   #16
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Default Re: 97 48v club OBC

The charger will 'time out' at 16 hours & shut off. 45v is VERY low for new batts. What happened there? They should have been above 48v to start. Keep us posted.


Sorry I didn't read it all....
Is the relay still jumped?
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Unread 05-12-2010, 09:19 AM   #17
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Default Re: 97 48v club OBC

Scottyb, the relay is still jumped out and charging, just talked to someone from club car and they said leave it charging until charger reads 0 it may take 24 hours, and its most likely a charger relay or obc. I just dont want to toast these new batteris. Thanks for any help
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Unread 05-12-2010, 05:55 PM   #18
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Default Re: 97 48v club OBC

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Originally Posted by JAY MAN WAY View Post
Scottyb, the relay is still jumped out and charging, just talked to someone from club car and they said leave it charging until charger reads 0 it may take 24 hours, and its most likely a charger relay or obc. I just dont want to toast these new batteris. Thanks for any help
Don't listen to this crap..... Club Car official battery test procedures only require the charger to be below 5... Zero is OFF.... it won't turn off... 58.3 is the cut-off for an OBC... it would have turned off by now had the OBC been sensing the voltage... Unplug it and diagnose your computer problem now.
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Unread 05-12-2010, 07:17 PM   #19
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Default Re: 97 48v club OBC

You guy wont belive what happend, messed with wires in charger low and behold the blue wire wasnt in the spade connector the right way not making contact. When i connected it the right way the charger kicked on by itself. Sounds good dont it. I come home and the cart wont move brand new batteries charger seems to be working fine. Battery 1 and 3 only had 6.6volts all others had 8.5. I put two of my good old batteries back in the cart and the thing moves. Im really confused, im liking the gas carts all the sudden
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Unread 05-17-2010, 03:51 PM   #20
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Default Re: 97 48v club OBC

Thanks tahoedawg your right about the charger not dropping to zero amps then shutting off. As i said all eight batteries were new but after charging them two of them dummped a cell so i wasnt getting the right voltage. I put two old good batteries in and it works perfect. Thanks to all, for your help. This forum rocks!!!!!!!!!!!!
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