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



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Unread 07-19-2016, 01:06 PM   #1
Not Yet Wild
 
Join Date: Jul 2016
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Default 1990 marathon will not move in reverse

I have a 1990 electric marathon golf cart. Ser#-586269
Manuf. code -02790
I just put new tires and batteries in it after it sat for several years.
Drive just fine in forward, but in reverse I hear the solenoid close but there is no movement of the cart. I checked the micro switches and they appear to be working fine. It there a good way to test the power coming out of the FnR panel to make sure power is going to the motor?

Any help is appreciated


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Unread 07-19-2016, 01:08 PM   #2
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Default Re: 1990 marathon will not move in reverse

see attached
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File Type: jpg 0.1Ezgo F&R instruc EZ575.jpg (120.5 KB, 0 views)
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Unread 07-19-2016, 03:30 PM   #3
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Default Re: 1990 marathon will not move in reverse

Thanks Scotty for the quick reply

Now for the bad news. When I first started messing with the cart, I didn't hear the solenoid closing on reverse. I pulled the FnR and found one of the rollers on the microswitches was bent and didn't fall into the detent of the rotor. I took it apart at the shaft but looking over this diagram, I see the nut, "B" is preloaded. So I wonder how bad I messed up. I'm headed to my cart now to follow the laid out test procedures and will let you know what I find

Thanks again

P.S. I'd like to visit with you about possibilities for my cart.
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Unread 07-19-2016, 08:20 PM   #4
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O.K. I did check and I do NOT have continuity between #3 &#8 while in neutral. Now what?


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Unread 07-19-2016, 08:21 PM   #5
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Default Re: 1990 marathon will not move in reverse

In neutral you shouldn't. the switch should be in reverse to get continuity on 3 and 8
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Unread 07-20-2016, 07:10 AM   #6
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Oops, that is while in reverse



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Unread 07-20-2016, 07:16 AM   #7
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Default Re: 1990 marathon will not move in reverse

Sounds like you have a bad switch. My modified EZ575 F&R is the heaviest duty switch available, for this late marathon use EZ575L
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Unread 07-20-2016, 11:35 AM   #8
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So basically no repair to my switch?


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Unread 07-20-2016, 11:36 AM   #9
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Default Re: 1990 marathon will not move in reverse

Tighten the center pivot shaft nut to increase contact pressure. If this fails to help replace the switch.
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Unread 07-21-2016, 02:01 PM   #10
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Thank you


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