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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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08-04-2013, 01:56 PM | #1 |
Not Yet Wild
Join Date: Aug 2013
Posts: 11
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Speed controller melts
I have an 85 electric ezgo. Recently I replaced the speed controller, it ran for about a day then it started acting funny, jerky, loss of power... Once home I took a look and the speed controller device had melted not the board but the other part of the controller. What would cause this?
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08-04-2013, 06:40 PM | #2 |
Gone Wild
Join Date: May 2013
Location: Mississippi
Posts: 301
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Re: Speed controller melts
Heat
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08-05-2013, 05:10 AM | #3 |
Gone Mad
Join Date: Oct 2009
Location: Buford, GA
Posts: 8,988
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Re: Speed controller melts
Please post pics. We like - and can often help determine the cause - of "melted" stuff.
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08-05-2013, 07:37 AM | #4 |
Master of All Things
Join Date: May 2013
Location: West Columbia, Texas
Posts: 17,976
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Re: Speed controller melts
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08-05-2013, 08:59 AM | #5 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,406
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Re: Speed controller melts
1985 Ezgo is a resistor coil cart. No controller. Just a speed selector board with a wiper arm and a few resistors make it go.
This system is quickly overwhelmed when the cart is modified or used for something other than original golf.... |
08-05-2013, 09:05 AM | #6 |
Not Yet Wild
Join Date: Aug 2013
Posts: 11
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Re: Speed controller melts
We use it at the beach. Is there something we can do to fix the problem?
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08-05-2013, 09:12 AM | #7 |
Not Yet Wild
Join Date: Aug 2013
Posts: 11
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Re: Speed controller melts
Can you describe what the speed selector board looks like... Does it have 5 copper discs on it?
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08-05-2013, 09:13 AM | #8 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,406
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Re: Speed controller melts
You can replace the speed wiper board and wiper contact and keep it out of the sand and be aware of not over-loading it. This will help.
Others have modified the contr0ller conversion kit (1987-1991) to fit the earlier carts. This is a complete replacement of the drive system electronics, basically converting to solid state speed control. You can read more about the kits and the why and hows here. http://cartsunlimited.net/Scottyb_s_Conversion_Kit.html |
08-05-2013, 08:20 PM | #9 |
Not Yet Wild
Join Date: Aug 2013
Posts: 11
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Re: Speed controller melts
I took the contact board off and cleaned and resurfaced all the contacts. I know all the wiring connections needs to be clean and tight, and 4 gauge wire. Should I apply dielectric grease on the wire connections?
What are the symptoms of a bad solenoid, I have replaced the resistor coil set with a new one. Thanks |
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