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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV.



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Old 03-13-2021, 01:10 PM   #1
del50man
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Default 99 EZ GO only goes in reverse.

I put a new/used motor in this cart because the old one wasn’t working at all. The cart wasn’t running prior to me getting it. Installed motor and I put it in forward and wheels turn backwards and when I put it in reverse it the wheels turn backwards.
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Old 03-13-2021, 02:00 PM   #2
JohnnieB
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Default Re: 99 EZ GO only goes in reverse.

Series drive or sepex (DCS) drive?
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Old 03-13-2021, 02:08 PM   #3
del50man
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Default Re: 99 EZ GO only goes in reverse.

It’s a DCS
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Old 03-13-2021, 02:12 PM   #4
cgtech
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Default Re: 99 EZ GO only goes in reverse.

You're really gonna hate what hes about to tell you
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Old 03-13-2021, 02:20 PM   #5
del50man
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Default Re: 99 EZ GO only goes in reverse.

Oh boy....
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Old 03-13-2021, 02:42 PM   #6
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Default Re: 99 EZ GO only goes in reverse.

Break me the bad news
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Old 03-13-2021, 02:49 PM   #7
JohnnieB
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Default Re: 99 EZ GO only goes in reverse.

Could be the A1/A2 or the S1/S2 cables got swapped when installing the motor and the cart is actually running forward in both F and R. If that's the case, it might just be a bad reverse switch since DCS controllers default to forward and have to be told to do reverse.

With F/R in R, you ought to have battery pack voltage on Pin-4 (Orange wire). And 0V when in F.

Also, the beeper ought to be sounding when F/R is in R.

----------
If it isn't Reverse switch related, the controller is bad.

The DCS controller (Curtis 1206SX) has no under voltage protection and is a high failure item, so replace it with an Alltrax XCT48400-DCS. (#7 on linked page)
https://www.cartsunlimited.net/alltrax-xct-sepex--.html
Attached Images
File Type: jpg Wiring Diagram - Late DCS - No Diode.JPG (88.9 KB, 0 views)
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Old 03-13-2021, 02:58 PM   #8
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Default Re: 99 EZ GO only goes in reverse.

Thank you. Will check this out and get back to you.
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Old 03-13-2021, 03:22 PM   #9
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Default Re: 99 EZ GO only goes in reverse.

Also this cart’s tires only goes backwards when in forward or reverse.
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Old 03-13-2021, 03:27 PM   #10
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Default Re: 99 EZ GO only goes in reverse.

The reverse buzzer does come on in reverse. The #4 has full pack voltage in reverse.
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