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Old 09-11-2020, 08:37 PM   #1
Malisk
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Default Pre-Charge Resistor Drain

I have a 1996 Club Car DS with stock Curtis controller. I installed a 400 amp contactor and precharge resistor when I replaced my Trojans with Nissan Leaf modules. If I leave the cart sit for more than a week without the charger plugged in it will almost drain the leaf pack completely. Could the pre-charge resistor be the cause of this. The pre-charge resistor and the main power feeding the contactor are the only things on the cart without a disconnect/relay when turned off.

Thanks,

Malisk
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Old 09-13-2020, 04:38 PM   #2
WalterM6
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Default Re: Pre-Charge Resistor Drain

Flipping the run/tow switch will greatly reduce the drain. There will still be some self discharge.
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Old 09-18-2020, 10:16 PM   #3
Malisk
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Default Re: Pre-Charge Resistor Drain

There is no Run/Tow switch on my 96 CC DS. Even if there was the question is will the resistor drain a Nissan Leaf lithium battery pack in 2 weeks on a stock controller. I am trying to sort out if its the chargery BMS killing the pack or the cart itself.
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Old 09-18-2020, 11:01 PM   #4
WalterM6
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Default Re: Pre-Charge Resistor Drain

Why don't you remove the resistor and see. It won't hurt anything.
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