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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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02-28-2012, 12:40 AM | #1 |
Not Yet Wild
Join Date: Aug 2010
Posts: 10
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Loss of Power
I have a 1983 EzGo resistor 36 volt cart. I have recently installed all new batteries and new 4 guage wiring. After installing the new batteries and wires, the speed contacts were arcing with the wiper arm. I replaced the contacts and the arcing stopped but now on a full charge, the cart seems to not have full power. The pack reads 38.7 volts on the full charge but the power is not there. I also installed a new solenoid but this has not changed the loss of power. Any suggestions would be great. If there are any readings I could take that would help, please let me know.
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02-28-2012, 05:11 AM | #2 | |
Gone Mad
Join Date: Oct 2009
Location: Buford, GA
Posts: 8,988
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Re: Loss of Power
Quote:
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02-28-2012, 12:32 PM | #3 |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: Loss of Power
Let's start by measuring how much voltage is actually getting to the motor at the various throttle settings.
Attached is the best schematic of a resistor cart's throttle switch and resistor coils I have found. Use alagator clips or similar method of attaching handheld DVM Positive test lead to Pin-4 on Throttle switch (or A1 on motor) and Negative test lead to most mnegative terminal on battery pack (or F2 on motor - might be labeled S2). Hang DVM so you can read it or have passenger hold/read it. I'm not sure what the voltage readings will be in the first three throttle positions, but each one will get higher until you reach position 4, which ought to read the fully battery pack voltage. If not, something isn't wired right, or there are bad contacts or wires. |
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