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Electric Club Car Electric DS, and Precedent golf cars |
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02-05-2019, 02:42 PM | #1 |
Gone Wild
Join Date: Dec 2010
Posts: 486
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Faulty MCOR's 3 and 4
I have had occasion to replace a few MCOR's lately as a result of faulty micro switches and have come to the conclusion that the problem is one of faulty design in as much as the switches are not used as the makers designed them to be. Switches are designed to be NO or NC and that is in the relaxed position (spring expanded). The MCOR switches are NC but with the foot pedal up are held in the OPEN position (spring compressed) and only go NC and the spring expands when the pedal is depressed. Over the life of the switch the majority of the time the spring is in the compressed position and only relaxed when the car is moving. The compressed spring is probably loosing its ability to expand fully over time resulting is poor connection and ultimate failure. The MICOR 3 switches do appear to be inferior to the MICOR 4 which no doubt resulted in their frequent failure. If EZGO have had years of success with their TPS throttle how come Clubcar could not get it right.
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02-05-2019, 03:04 PM | #2 |
MOD of all BS!
Join Date: Sep 2011
Location: Florida
Posts: 17,477
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Re: Faulty MCOR's 3 and 4
Not sure, my EZGO has long since went and my CC is still going strong with its factory MCOR from '07....
And if you buy those Amazon/Chinese MCOR's, they are junk out the box.... |
02-05-2019, 03:07 PM | #3 |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: Faulty MCOR's 3 and 4
How else would You do the switch ?
It is the same way on all throttles with a mechanical switch, on an EzSlow when the pedal is up the micro-switch is compressed. The MCOR uses a double-butterfly switch that prevents excessive force on the plunger to be transferred to the springs, and since 2 separate sets of internal contacts need to close in series, it also provides a redundant safety. Have you taken any of the failed MCORs apart to analyze the failure? Found the picture I had posted previously for the MCOR switch: Last edited by Sergio; 02-05-2019 at 03:13 PM.. Reason: Added Picture |
02-05-2019, 03:25 PM | #4 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,356
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Re: Faulty MCOR's 3 and 4
You are right about one thing. The ITS has been golden. There are 20 and 30yr old inductive signal devices working very well in millions of Ezgo carts.
The Ezgo micro switch can be replaced separately from the signal device.This is a real plus. Maybe CC will rethink the MCOR throttle device just like the OBC but, don't hold your breath waiting...for now it is sell sell sell more made in Mexico MCORS |
02-05-2019, 03:53 PM | #5 | |
Gone Wild
Join Date: Apr 2013
Location: Deep Run, NC
Posts: 2,534
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Re: Faulty MCOR's 3 and 4
Quote:
Sent from my SM-G930R4 using Tapatalk |
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02-05-2019, 04:06 PM | #6 | |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,356
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Re: Faulty MCOR's 3 and 4
Quote:
The simple fact is there are no contact parts to go bad in the signal device itself. |
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02-05-2019, 04:28 PM | #7 | |
Gone Wild
Join Date: Apr 2013
Location: Deep Run, NC
Posts: 2,534
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Re: Faulty MCOR's 3 and 4
Quote:
Sent from my SM-G930R4 using Tapatalk |
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02-05-2019, 05:57 PM | #8 |
Gone Wild
Join Date: Apr 2017
Location: SE TN
Posts: 2,217
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Re: Faulty MCOR's 3 and 4
Upgrade the entire electrical system starting with the OBC and everything between and end with the Controller and you have yourself a pretty good cart. I should add that E-Z-Go and Yamaha are probably no better.
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02-05-2019, 07:23 PM | #9 |
MOD of all BS!
Join Date: Sep 2011
Location: Florida
Posts: 17,477
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Re: Faulty MCOR's 3 and 4
I have owned them all. My preference by far is a CC DS!
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02-06-2019, 09:57 AM | #10 |
Gone Wild
Join Date: Dec 2010
Posts: 486
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Re: Faulty MCOR's 3 and 4
Quote:
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