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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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12-02-2014, 02:47 PM | #1 |
Gone Wild
Join Date: Nov 2013
Location: thomasville nc
Posts: 190
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Loosing power?
98 txt battery's right at 1 year old us battery's press the pedal if in a ditch barley comes out it would jump out before. Also noticed when lights are on and press pedal lights sort of get dimmer never done this before. What could it be ?
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12-02-2014, 02:56 PM | #2 |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: Loosing power?
Unless you have a charger that meets US Battery's charging profile, your batteries are chronically being undercharged.
What Make/Model charger are you using? |
12-02-2014, 03:03 PM | #3 |
Gone Wild
Join Date: Nov 2013
Location: thomasville nc
Posts: 190
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Re: Loosing power?
It's the one that came with the cart a factory one.
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12-02-2014, 03:20 PM | #4 |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: Loosing power?
That narrows it down to about a half dozen makes and models.
However, odds are very high, nearly 100%, that it is designed to charge Trojan brand batteries, so it undercharges US Battery brand batteries. The DPI Accusense has a user selectable charge profile for US Battery and is the best bang for the buck. Here is a Voltage vs SoC chart for US Battery. The voltage readings are taken 12 hours after the charger shuts off automatically -------- In addition to the batteries being undercharged, check the cables and connections. If any are getting hot, they need to be repaired/replaced. Also check the throttle input signal to the controller. J4 Pin-3 (black wire) should be 0.7V to 1.3V when solenoid clicks and 2.5V to 3.3V when pedal is on floor. |
12-02-2014, 03:29 PM | #5 |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: Loosing power?
Oops, you said 1998 sepex drive, that makes it a DCS and I gave the throttle specs for a PDS.
DCS: Pin-1 (white wire) 0.4V to 0.6V pedal up and 1.50V to 1.75V pedal down. |
12-02-2014, 04:22 PM | #6 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,410
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Re: Loosing power?
When a cart fails to perform a task it previously did routinely I immedeately suspect batteries. I guess that's because previously, I have pulled motors and input shafts looking for more complicated culprits.....only to find pack voltage which looked great at a stand still was dropping like a bomb under load.
A simple voltmeter attached to the battery main (+) and (-) and laid on the seat will tell the tale coming out of the ditch. |
12-03-2014, 01:34 AM | #7 | |
Over This Interview Is...
Join Date: Jun 2012
Location: AZ
Posts: 17,449
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Re: Loosing power?
Quote:
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12-03-2014, 08:06 PM | #8 |
Gone Wild
Join Date: Nov 2013
Location: thomasville nc
Posts: 190
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Re: Loosing power?
Ok guys I will try that tomorrow! Thanks
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