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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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04-14-2020, 07:53 AM | #51 |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: There has to be a better way
What You gain by switching from resistor to a controller is a more efficient and consistent partial throttle response and power delivery.
The top speed has a potential to get lower since with the resistor setup at full throttle the battery was directly connected to the motor and now it goes though the controller which is not 100% efficient. Next time you go for a ride of at least 10 minutes, check all components and cables for heat. What you are looking for is a cable or connection that is unusually hotter than the others as that would indicate a bottle neck on your speed. |
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04-17-2020, 06:39 PM | #52 |
Gone Wild
Join Date: Feb 2020
Posts: 150
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Re: There has to be a better way
Nothing is hot so I guess I’m good to go. A couple more questions.
I’ve seen a couple posts where guys have added one more battery to give 42v. Good/bad idea? And for the switch for the reversing contactor does the voltage matter. I see some on amazon that are 24v. Does the voltage for the rocker switch matter? And do those reversing contactors take place of my existing solenoid? |
04-19-2020, 10:23 AM | #53 | |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: There has to be a better way
Quote:
1. Adding another 6V battery will up the speed by about 16%, but you'll have to buy a 42V charger and replace the 36V solenoid, The picture of the controller label you posted indicates your controller is 36V to 48V, so it shouldn't have to be replaced. FWIW: Adding two more 6V batteries for 48V will up the speed by about 1/3 and 48V chargers and solenoids are easier to find. 2. The voltage rating for switches ought exceed (or at least equal) the voltage they will be used with. 3. No, a reversing contactor only replaces the high amp portion of the mechanical F/R switch assembly. |
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04-19-2020, 11:18 AM | #54 |
Gone Wild
Join Date: Feb 2020
Posts: 150
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Re: There has to be a better way
Awesome thanks for the info. I might swing back around once my reversing contactors and switch make it in.
Probably sticking with the 36v seeing as how I just bought a new charger and they ain’t cheap. |
04-19-2020, 11:45 AM | #55 |
Gone Wild
Join Date: Feb 2020
Posts: 150
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Re: There has to be a better way
I’m guessing this will probably be fine.
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04-19-2020, 12:03 PM | #56 |
Gone Wild
Join Date: Aug 2009
Posts: 14,245
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Re: There has to be a better way
Yes, that'll work fine
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04-19-2020, 07:25 PM | #57 |
48/400/Alltrax HS motor
Join Date: Jan 2007
Location: Liberty SC, Garden City SC
Posts: 6,190
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Re: There has to be a better way
Controller mounting:
Go to Lowes are HD and get a piece of metal bend it to fit on the opposite side of the pot box(Potentiometer Assembly). Mount the controller there. It's gonna be tight no matter where you mount it though. Picture is of my old 89 cart. First year for Ezgo controller's. The controller will give you much better battery life over all. The resisters use the full amount of power the batteries can give it weather you are running wide open are very slow. The resistors burn off the power at slow speed to let the cart run slow. With the controller it will only use what is needed to move the cart per the pedal position. Reversing contactor: installing a reversing contactor will help in the area of the weakest link also. The F/R switch on the old Ezgo's are good but they take a lot of amps to run the cart, after several years they get burnt and loosen up in the springs and other parts get weaker as time goes on. The F/R contactor is a good upgrade. |
08-26-2020, 08:16 AM | #58 |
Gone Wild
Join Date: Feb 2020
Posts: 150
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Re: There has to be a better way
Anyone have a diagram for the reversing Contactors
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