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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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02-24-2015, 08:41 PM | #1 |
Not Yet Wild
Join Date: Jul 2013
Posts: 38
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Problem with Speed controller
I have a 1997 EZGO golf cart with the electronic speed controller (NON-PDS) that has a very intermittent problem. When I push down on the pedal I can feel a distinct change in speed of my cart going from a slow speed to a fast speed when everything is working correctly. Sometimes, when I push down on the pedal it only will just about move with no fast speed present. In this operational mode the cart will barely move at all. Any help in isolating this problem would be very welcome.
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02-25-2015, 01:49 PM | #2 |
Gone Wild
Join Date: Oct 2012
Location: Southwestern Pa.
Posts: 6,214
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Re: Problem with Speed controller
Ok, you say it's a "non-PDS". But...is it a Series or a Sepex system? Use the chart below to make this determination:
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02-25-2015, 03:13 PM | #3 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,406
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Re: Problem with Speed controller
All Ezgo carts were series until they produced the PDS, then carts became designated PDS, DCS, or Non-PDS....I'm guessing Series was confusing? somebody at Ezgo had a brainstorm that failed.
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02-25-2015, 09:39 PM | #4 |
Not Yet Wild
Join Date: Jul 2013
Posts: 38
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Re: Problem with Speed controller
I believe it is the series.
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02-26-2015, 10:50 AM | #5 |
Gone Wild
Join Date: Oct 2012
Location: Southwestern Pa.
Posts: 6,214
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Re: Problem with Speed controller
Ok, let me ask a few general questions. First, can you post any pictures of "what's under your seat"? And second, when was the last time you cleaned your battery terminals and cleaned your heavy wire (big thick wires) connections? Also, do you check your battery water levels on a regular basis?
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02-26-2015, 12:29 PM | #6 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,406
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Re: Problem with Speed controller
next time this happens try shifting the F&R and maybe even wiggle it some to see if the contact improves, Also you can try tighten the F&R center pivot nut 1/4 to 1/2 turn for improved contact (if the switch is still good - not damaged beyond reliable service) see attached
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02-26-2015, 08:36 PM | #7 | |
Not Yet Wild
Join Date: Jul 2013
Posts: 38
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Re: Problem with Speed controller
Quote:
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03-02-2015, 06:42 AM | #8 |
Not Yet Wild
Join Date: Jul 2013
Posts: 38
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Re: Problem with Speed controller
I was able to hook up my multimeter to the output of the controller and leave it on. Of course everything is working just fine with the meter hooked up. My voltage does vary from zero volts all the way up to battery voltage when I press down on the pedal. I will keep the meter hooked up and hopefully it will start acting up so that I can monitor the voltage coming out of the controller to see what could be going on.
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03-02-2015, 01:03 PM | #9 |
Gone Wild
Join Date: Oct 2012
Location: Southwestern Pa.
Posts: 6,214
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Re: Problem with Speed controller
Ok. Keep us posted.
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