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



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Old 10-28-2016, 08:31 AM   #1
CajunPickers
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Join Date: Oct 2016
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Default Early 90's Model EZGO Marathon - Acceleration Issue

My early 90's EZGO Marathon is intermittently accelerating. At times it takes 3-5 pumps of the throttle to go forward or backward. Or when i press the pedal to the floor in the forward setting, nothing. I change to reverse setting to get it to go, then back to forward and it will work.

Below is the trouble shooting i've done so far:

Check Voltage - 6.3 - 6.5 on all battery's (6 batteries)

Clean most of the connections - the ones that i can get to (battery connections/solenoid/controller)

Can someone please point me in the right direction of my next step?

Attached is a picture of under the seat.

Thanks!

Ernie T.
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Old 10-28-2016, 10:39 AM   #2
scottyb
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Default Re: Early 90's Model EZGO Marathon - Acceleration Issue

Sounds like once it catches it runs fine ? If yes then the trouble is likely a failing micro switch or bad connection.
1st micro switch is on the F&R and second is on the potentiometer. Both need to work to make the solenoid click and cart go.

Need you to verify the solenoid does not click when the cart will not go.
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Old 10-28-2016, 11:31 AM   #3
CajunPickers
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Default Re: Early 90's Model EZGO Marathon - Acceleration Issue

Thank you so much and i will check both switches over the weekend and report back.

I believe i saw something on here about how to test those switches, if someone knows where that thread is, would you guys mind posting it here.

I am also going to check ALL connections again and clean clean clean.

Thanks again!!

Ernie T.
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