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Unread 12-26-2009, 09:55 AM   #1
Not Yet Wild
 
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Default Final battery connect sparks

Firstly, what a fantastic forum and participation.
I just bought a '90 36vdc Club Car from a friend. It was driven to my house from a few blocks down the road. When I took it later in the day it barely had enough power to get it to the charger. The batts were '03 t605's. I put it on charge for close to 12 hours to see if I could get anything out of them. The charger stayed at 25-30 amps. The forward/reverse swith was in forward during the charge, the key was off. I checked the SG and float levels and the batts weren't coming back. I replaced them with a new string of 105's and when connecting the last connection..which was the most positive I get a large spark. If I moved the F/R switch to neutral I can connect. I didn't change any wiring other than the batts. I don't want to ruin the new batts or do any further welding. Am doing something wrong procedurely? I'm afraid I may have shorted the motor during the charge? Any guidance is appreciated.Thanks.
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Unread 12-26-2009, 10:09 AM   #2
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Default Re: Final battery connect sparks

Does it not run now with the new batteries?

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Unread 12-26-2009, 10:23 AM   #3
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Default Re: Final battery connect sparks

Datawave, there should not be any sparks when you connect the batteries unless there is a load. Even with the switch in the forward position there shouldn't be a load until the pedal is pushed. I would recheck the wiring to see if anything is ground and completing the circuit.
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Unread 12-26-2009, 10:39 AM   #4
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Default Re: Final battery connect sparks

Sounds to me the solenoid is stuck, letting current pass through. I've got an '89 cc and had the same problem last year.
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Unread 12-26-2009, 11:51 AM   #5
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Default Re: Final battery connect sparks

That is what I was thinking goodoleboy. There has to be something that is letting current pass. I have had a wire that cracked and was touching the frame intermittently kept draining my batts til I found it.
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Unread 12-26-2009, 12:19 PM   #6
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Default Re: Final battery connect sparks

Everything so far is pointing to a shorted motor..when it is brought into the circut is when the problems begin. Any idea what I should be reading between the windings? I have an 87 Fluke.
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Unread 12-27-2009, 11:07 AM   #7
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Default Re: Final battery connect sparks

#1 always connect the "-" Negative as the last connection.
The Pos + will always spark when removing from Pack if the - Neg is connected.

"Does it not run now with the new batteries?"
Measure the entire pack ans list Volotage here.
Read this State of Charge Readings
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Unread 12-27-2009, 01:16 PM   #8
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Default Re: Final battery connect sparks

Hooked the most negative last...the cart runs great...thanks to all.
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Unread 12-28-2009, 11:38 AM   #9
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Default Re: Final battery connect sparks

NP have FUN
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