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Unread 05-14-2014, 08:58 AM   #1
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Default question about checking resistance of MCOR

I have a 2009 precedent, 48volt with a MCOR II. The service manual says I should have 1 K ohms between the yellow wire and the purple/white wire when the pedal is fully up and 7.4 ohms when fully pressed. I have 7.4 ohms when fully pressed but I have 2400 ohms when fully up, will that cause the cart not to move? Is the MCOR bad? what other problems will that cause?
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Unread 05-14-2014, 09:13 AM   #2
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Default Re: question about checking resistance of MCOR

Can you post the serial # of your cart?
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Unread 05-14-2014, 12:30 PM   #3
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Default Re: question about checking resistance of MCOR

I would but I cant find it, I looked everywhere
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Unread 05-16-2014, 01:25 PM   #4
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Default Re: question about checking resistance of MCOR

Thanks for all the help
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Unread 05-16-2014, 02:24 PM   #5
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Default Re: question about checking resistance of MCOR

Quote:
Originally Posted by woodit View Post
Thanks for all the help
I am assuming you are just frustrated. Your serial # should be on the right side, right above where the passengers feet would be. As far as the MCOR, when you press it down do you hear the solenoid click? Are your batteries completely charged? Did you accidentally flip the run/tow switch? Does your reverse buzzer sound? Have you searched the archives? Sometimes it is a little tough to search, but I can assure you your problem has been solved here at sometime before.
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Unread 05-21-2014, 02:34 PM   #6
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Default Re: question about checking resistance of MCOR

the sticker with the serial number is gone. no power coming out of the wiring harness that is some kind of connector used in 09 only, part number 103682701, none of the dealers have one, does anyone know if it can be disconnected?
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Unread 05-21-2014, 03:09 PM   #7
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Default Re: question about checking resistance of MCOR

Quote:
Originally Posted by 55BigBlock View Post
As far as the MCOR, when you press it down do you hear the solenoid click? Are your batteries completely charged? Did you accidentally flip the run/tow switch? Does your reverse buzzer sound?
info please
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Unread 05-21-2014, 05:35 PM   #8
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Default Re: question about checking resistance of MCOR

Sounds like a throttle positioning sensor and no it can not be removed. My suggestion if you are planning on any future upgrades such as controller upgrades is to purchase an IQ harness and eliminate that jumper and go with an MCOR-4. You will then be able to upgrade your electronics in the future, and have club car's "best" version of MCOR. This is just what I would do....probably overkill, but I like to look toward the future and the wiring harness you have now won't work with most aftermarket controllers.
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