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Electric Club Car Electric DS, and Precedent golf cars |
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03-06-2017, 10:41 AM | #1 |
Not Yet Wild
Join Date: Feb 2017
Posts: 13
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Electrical Short to Chassis
On my 48V 2006 Club car ds there is a constant short somewhere to the chassis of the cart. Doesn't matter if cart is on/off or lights on/off. As I understand it the chassis of the club car should be totally electrically isolated.
I have 46V (45.6 to 46.2V) when I measure from Battery Negative terminal of first 8V battery to chassis. Total voltage of battery pack is 50V. 1. Obviously there is a short somewhere to the chassis that must be found. 2. How can any type of short cause there to be 46V. I could understand 50V but not 46V. One battery down from 50V is measuring around 41V. Anyway just starting to hunt down this issue and thought I would ask if anyone else has any ideas. |
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03-06-2017, 11:36 AM | #2 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,358
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Re: Electrical Short to Chassis
Often you get this type of voltage with little or no significant amperage, often referred to as ghost voltage from wet or seeping battery cases. Another CC source of unwanted frame voltage is the OEM 16 to 12v voltage reducer.
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03-06-2017, 01:06 PM | #3 |
Gone Wild
Join Date: Oct 2016
Location: Dundee quebec
Posts: 3,190
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Re: Electrical Short to Chassis
Carbon "tracking" in the motor?
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03-06-2017, 01:15 PM | #4 |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: Electrical Short to Chassis
Like scottyb said, I would start with the batteries since that is an easy and needed maintenance item.
Mix 1 cup baking soda to 1 gallon warm/hot water. Pour that mixture over the batteries and allow it to flow all the way around the sides. Rinse with a low pressure water source. Do not do it over your concrete driveway because acid will stain the concrete. Electrolyte is conductive and it will give You ghost voltage readings. |
03-06-2017, 01:18 PM | #5 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,358
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Re: Electrical Short to Chassis
And occasionally some shade tree mechanic will ground a set of aftermarket lights to the chassis.
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03-06-2017, 02:34 PM | #6 |
Old Sky Soldier
Join Date: Dec 2011
Location: Kentucky
Posts: 3,881
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Re: Electrical Short to Chassis
If you care to check it out you will likely have voltage from your tires to battery pack. no joking.
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03-06-2017, 03:16 PM | #7 |
Gone Wild
Join Date: Apr 2014
Location: Oregon City, Or
Posts: 1,977
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Re: Electrical Short to Chassis
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03-06-2017, 08:43 PM | #8 |
Not Yet Wild
Join Date: Feb 2017
Posts: 13
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Re: Electrical Short to Chassis
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03-06-2017, 09:36 PM | #9 | |
Gone Wild
Join Date: Dec 2016
Location: Alaska/SoCal
Posts: 549
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Re: Electrical Short to Chassis
Quote:
Was told that was "the norm" years ago Put batts in an Old 36 v Yamaha today that has that set up |
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03-06-2017, 10:08 PM | #10 |
Old Sky Soldier
Join Date: Dec 2011
Location: Kentucky
Posts: 3,881
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Re: Electrical Short to Chassis
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