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Electric Club Car Electric DS, and Precedent golf cars |
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01-10-2016, 10:46 PM | #1 |
Not Yet Wild
Join Date: Dec 2015
Location: Florida
Posts: 26
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Surging and reduced speed
2001 Club Car series cart - AA0130
6" lift with 23" tires Brand new Trojan batteries My cart has started to have reduced speed and power and also occasionally surges during constant throttle. It seems like the cart is somehow getting random throttle inputs. Most of the time, it runs fine, But when it's acting up, full throttle will only give 6mph. If I cruise for 30 seconds like that, I'll get a 3 second surge up to full speed and an immediate return to 6mph. Sometimes it just stops altogether. I can still hear the solenoid clicking though. Wait anywhere from a minute to an hour, and then it starts working again. Sometimes it comes back to full operation, and sometimes it comes back but with the surging. And if it does come back to full operation, it may start acting up again with a few minutes. This has been happening for about a month. It mostly seems to start about an hour after we get near some water. It usually stops after 2-3 days which hints to me that it's something that has to dry out. Not sure, just a guess. After the 2-3 days, it sometimes runs for days without incident. We use the cart every day. It really seems to only come back after we encounter some puddles. I replaced the MCOR, but that didn't fix anything. What next? This is my first cart, and I've only had it a few months. |
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01-11-2016, 02:45 AM | #2 |
Old Sky Soldier
Join Date: Dec 2011
Location: Kentucky
Posts: 3,881
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Re: Surging and reduced speed
Try jumping the two pin connector at the mcor when it does it. If that fixes it you got a bad mcor.
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01-11-2016, 06:04 AM | #3 |
Gone Wild
Join Date: Jun 2014
Location: Sunset Bay, TN
Posts: 2,390
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Re: Surging and reduced speed
Do you know if you replaced the MCOR with a newer version? If you replaced with same as in a 2 or 3 you could still have a bad MCOR. I replaced a 2 with a 3 not knowing any better and had no real improvement. Got a 4 from Hicks and all is right in the world again. You would know the newer versions as they look different and require the use of adapter cord.
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01-11-2016, 06:58 AM | #4 |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: Surging and reduced speed
If You still have a gradual "speed range" from pedal up to pedal down when the cart is giving a max of 6mph, then the issue may be the micro-switch and resistor that control the max speed for reverse.
Look at micro-switch #3 in the FNR lever. You can disconnect the Green and White wires from the #3 switch and connect them together. That will assure the voltage to the MCOR is not being reduced which would cause a slower top speed, just keep in mind You will also have full speed in reverse with those 2 wires connected together. |
01-11-2016, 11:18 AM | #5 | |||
Not Yet Wild
Join Date: Dec 2015
Location: Florida
Posts: 26
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Re: Surging and reduced speed
Thanks to everyone for the replies.
Quote:
I understand that I must disconnect the 2-pin connector, but I'm not sure which pins to short. Do I short the pins on the cable, or do I short the pins on the MCOR? Quote:
Quote:
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01-11-2016, 02:03 PM | #6 |
Old Sky Soldier
Join Date: Dec 2011
Location: Kentucky
Posts: 3,881
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Re: Surging and reduced speed
The cable gets jumper. There is a micro switch inside the mcor. This takes it out of the system. If everything works, the micro switch in the mcor is bad. Cost nothing to test.
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