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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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05-13-2010, 11:18 AM | #1 |
Not Yet Wild
Join Date: May 2010
Posts: 32
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01 EZ GO Electric barely moves.
Hello all,
My 01 (Model no F 101) EZ GO electric decided to go into barely moves/ just shudder mode the other day. Batteries are fully charged, between 6.2 and 6.3 on all 6, and they are 4 year old Interstates that have been working fine. When put in forward or reverse and the go pedal depressed, I just feel a slight shudder, but no movement. When I do the same with the rear on jack stands, the wheels spin fine, and I get something like 30 volts at the solenoid and 24 and 27 at two of the posts on the controller and zero at the third. Should I be getting voltage at all three of the posts? The solenoid looks brand new ( as does everything that is under that cover ) and I get something like 37+ volts on both sides (due to a resistor across the main posts). I seem to have enough power to spin the wheels when there is no resistance but once there is a load ( back on the ground ) I get the no movement shuddering. I did check the lube level in the rear pumplin and did get some out when I removed the plug. Any ideas? Thanks. Tom |
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05-17-2010, 03:11 PM | #2 |
Not Yet Wild
Join Date: Apr 2010
Posts: 6
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Re: 01 EZ GO Electric barely moves.
I am having similar issues on my 93 marathon txt. i have good connections, good batts...
anyone have any ideas? |
05-17-2010, 08:36 PM | #3 | |
steeplejack x
Join Date: Jan 2007
Location: Republic of Texas
Posts: 3,382
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Re: 01 EZ GO Electric barely moves.
Quote:
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05-17-2010, 11:12 PM | #4 |
Gone Wild
Join Date: Nov 2008
Posts: 162
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Re: 01 EZ GO Electric barely moves.
You should check your drive hub. I have seen cars with damaged hubs do fine on Jack Stands but not move under a load.
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05-18-2010, 12:20 AM | #5 |
Not Yet Wild
Join Date: May 2010
Posts: 32
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Re: 01 EZ GO Electric barely moves.
I will try and find my hydrometer and do a better test on the batteries.
Where is the drive hub? Inside the rear differential? Tom |
05-18-2010, 03:55 PM | #6 |
Not Yet Wild
Join Date: May 2010
Posts: 32
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Re: 01 EZ GO Electric barely moves.
Okay, here are my hydrometer readings after a top off with water, a charging and letting the batteries set for 2.5 hrs. Starting at the battery whose positive terminal is connected to the Solenoid with the corresponding voltage after the charging
12.750 12.600 12.600 6.52 12.600 12.750 12.700 6.53 12.750 12.750 12.750 6.53 12.500 12.500 12.600 6.48 12.600 12.750 12.750 6.51 12.500 12.500 12.500 6.50 Maybe I should have turned on the headlights for a while to drain the surface charge off a little better, eh? My hydrometer only reads to hundredths, I added the extra decimal place because I read in the online manual that the specific gravity readings should be within 50 thousandths of each other within the same battery. With that criteria, only two of my batteries pass. Any ideas on these readings? Tom |
05-19-2010, 09:31 AM | #7 |
Not Yet Wild
Join Date: May 2010
Posts: 32
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Re: 01 EZ GO Electric barely moves.
Anybody?
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05-19-2010, 10:04 AM | #8 |
steeplejack x
Join Date: Jan 2007
Location: Republic of Texas
Posts: 3,382
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Re: 01 EZ GO Electric barely moves.
Is the SG data temp corrected? Connect a meter to the pack and then drive it and monitor voltage drop off when applying load. I still think you need to get a discharge test done. A discharge test leaves no doubt. If you have a 6v charger, charge each battery individually or use a 12v charger and charge in pairs. It will help to balance the pack.
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05-19-2010, 10:14 AM | #9 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,419
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Re: 01 EZ GO Electric barely moves.
This may be enough of a load test to tell the tale right here?
Quote[When I do the same with the rear on jack stands, the wheels spin fine, and I get something like 30 volts at the solenoid and 24 and 27 at two of the posts on the controller and zero at the third. Should I be getting voltage at all three of the posts?] end quote Can you tape the voltmeter leads to the battery pack and try to drive what is the voltage before and during the drive test? Sounds like one or more batteries dropping out under load as PG said |
05-19-2010, 10:15 AM | #10 |
Not Yet Wild
Join Date: May 2010
Posts: 32
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Re: 01 EZ GO Electric barely moves.
It wont even move a foot under it's own power. I'll try charging the batteries individually.
Thanks. Tom Edit, ScottyB, who is the little guy with the goggles? He looks like he's ready to ride. |
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