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



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Old 02-13-2017, 04:25 PM   #1
dglauner3
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Default Ezgo

The pre charge resistor gets so hot, in a matter of seconds, that it can not be touched. Is this normal?

Thanks
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Old 02-13-2017, 06:07 PM   #2
scottyb
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Default Re: Ezgo

Only happens when the solenoid is not closing and the controller is asking the motor to run.
If it is an Ezgo we need to get this thread moved to the Ezgo section and help you figure out which drive system you are asking us about - see below while I seek admin help.
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Old 02-13-2017, 06:45 PM   #3
dglauner3
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Default Re: Ezgo

I think it is a series setup. Just checked and it's too hot to touch, even after sitting off for 2 hours. The cart has difficulty climbing slight grades, but good on level ground. At times quits running, but will restart after several tries.

Again thanks for your help.
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Old 02-13-2017, 07:07 PM   #4
cgtech
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Default Re: Ezgo

I have seen this before with controllers that are failing.
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Old 02-13-2017, 11:58 PM   #5
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Default Re: Ezgo

Remove the resistor. It is not needed to run.
Does the solenoid click when you try to go?
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Old 02-14-2017, 03:43 PM   #6
dglauner3
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Default Re: Ezgo

Yes. The solenoid seems fine. Any idea on the problem w/ grades and failure to start every once and awhile.

THANKS
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Old 02-14-2017, 03:57 PM   #7
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Default Re: Ezgo

Grades cause the motor to draw max amperage which causes the controller to heat up which may push the controller in thermal shut down until it cools sufficiently.
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Old 02-14-2017, 04:38 PM   #8
dglauner3
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Default Re: Ezgo

From a dead stop it's only a slight grade of 3% and cart barely moves a few inches. Take a running start and it makes it easily.
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Old 02-14-2017, 04:53 PM   #9
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Default Re: Ezgo

It takes more power from a stand still. I would test battery pack voltage when the cart starts out slowly on the hill first.
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Old 02-14-2017, 05:43 PM   #10
yurtle
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Default Re: Ezgo

What year is your cart? I have a '98 and the solenoid started getting intermittent. It was random, not based on uphill or downhill.
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