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Electric Club Car Electric DS, and Precedent golf cars |
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01-22-2015, 04:45 PM | #1 |
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mystery voltage draw
1983 36v club car ds
having a problem with a mystery voltage draw & slow forward speed the facts new f/r switch new solenoids (5) tested good new micro switches (6) tested good 6 volt batteries (6) tested good cart runs full speed in reverse half speed in forward after full charge .. 38.3 v will drain down to 34v over night disconnected all meters and 12v power acc... still drains over night here is the strange thing i found key off checking for voltage at the solenoids 0 volts in neutral 0 volts in reverse 1.1 volts in forward (see attachment) i am stumped !!!! |
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01-22-2015, 07:19 PM | #2 |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: mystery voltage draw
I guess you probably know you have the FNR wired wrong due to the 1/2 speed in forward vs full in reverse.
That is also causing the reverse buzzer to be wired in series with the field coil between +48v and +24v when the FNR is in forward. You can disconnect the reverse buzzer for testing and your mystery voltage should go away. |
01-22-2015, 08:35 PM | #3 | |
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Re: mystery voltage draw
Quote:
sadly there is no reverse buzzer |
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01-22-2015, 08:36 PM | #4 |
Gone Wild
Join Date: Feb 2011
Location: Chattanooga TN
Posts: 2,105
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Re: mystery voltage draw
The only thing on a golf cart that would drain the batteries dead overnight would be the motor not wired correctly. To verify this feel the motor after a period of no use and see if it's hot.
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01-22-2015, 08:55 PM | #5 |
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Re: mystery voltage draw
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01-22-2015, 09:15 PM | #6 |
Gone Wild
Join Date: Aug 2009
Posts: 14,245
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Re: mystery voltage draw
I had my first experience with one of these old carts last summer and was extremely pleased with how easy it was to work on. I would just double check all the wires to insure it is wired correctly...
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01-22-2015, 09:29 PM | #7 |
......................
Join Date: Apr 2009
Location: FT Lauderdale FL.
Posts: 16,416
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Re: mystery voltage draw
I found the go pedal was not returning to zero, and it was running the batteries low
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01-22-2015, 09:32 PM | #8 |
Gone Wild
Join Date: Aug 2009
Posts: 14,245
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Re: mystery voltage draw
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01-22-2015, 09:48 PM | #9 | ||
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Re: mystery voltage draw
Quote:
Quote:
i did hear all five solenoids click in with a test run .. would that mean all are unclicking ?.. if one is open i would not here it click ? edit : no volts in reverse ... if pedal was engaged i would see volts ??? |
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01-22-2015, 09:49 PM | #10 |
Gone Wild
Join Date: Aug 2009
Posts: 14,245
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Re: mystery voltage draw
I know a solenoid can click and still be bad, but I think they usually fail in the open position.
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