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



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Unread 02-11-2019, 03:34 PM   #11
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Default Re: Scratching my head, need help

Here's back pic
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Unread 02-11-2019, 04:11 PM   #12
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Default Re: Scratching my head, need help

Post a pic of the other side..... where the cables connect.
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Unread 02-11-2019, 04:15 PM   #13
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Default Re: Scratching my head, need help

Quote:
Originally Posted by Mbbtc View Post
Here's back pic
The one at 9:00 looks different, but could just be corrosion. Opening it up is one way to be sure.

I assume you've already ruled out the possibility of bad cable ends, and checked battery voltages?
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Unread 02-11-2019, 04:17 PM   #14
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Default Re: Scratching my head, need help

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Originally Posted by scottyb View Post
Post a pic of the other side..... where the cables connect.
He did on the last page. Looked good to me. Nothing obvious on studs or cables.
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Unread 02-11-2019, 06:18 PM   #15
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Default Re: Scratching my head, need help

Quote:
Originally Posted by scottyb View Post
Post a pic of the other side..... where the cables connect.
Front side with cables
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Unread 02-11-2019, 06:21 PM   #16
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Default Re: Scratching my head, need help

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Originally Posted by yurtle View Post
The one at 9:00 looks different, but could just be corrosion. Opening it up is one way to be sure.

I assume you've already ruled out the possibility of bad cable ends, and checked battery voltages?
Yes all cable ends look good except those on the FNR, haven't removed and inspected those yet.

So can you break the FNR open and inspect inside? Looks like a brush or contact plate in the middle.
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Unread 02-11-2019, 07:41 PM   #17
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Default Re: Scratching my head, need help

Yes you can. If I recall, just remove the center nut. It's real intuitive. If it looks good, I'd clean with a Scotchbrite, or very fine emory cloth, lube and reassemble. I tightened the center nut as tight as I could and still have it operate. Use dielectric grease around electrodes and it will turn more easily. If you can, remove the FNR from the lower bracket, then you won't need to adjust it wrt the linkage.

There's a step by step troubleshooting steps in chapter E of the manual in the stickies.

http://products.jacobsen.com/img/manuals/28646.pdf
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Unread 02-11-2019, 08:42 PM   #18
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Default Re: Scratching my head, need help

I think if it was me I'd move on to testing the motor. This is for a Club Car but it still applies.

How to test a 48 volt electric motor
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Unread 02-11-2019, 09:05 PM   #19
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Default Re: Scratching my head, need help

Yep, it appears to either be motor or controller. I just posted the controller troubleshooting as it's a little more involved.
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Unread 02-12-2019, 11:48 AM   #20
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Default Re: Scratching my head, need help

Quote:
Originally Posted by WalterM6 View Post
I think if it was me I'd move on to testing the motor. This is for a Club Car but it still applies.

How to test a 48 volt electric motor
Tested the motor prior to sending the controller off, checks good. Thanks
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