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08-18-2015, 08:38 AM | #1 |
Gone Wild
Join Date: Feb 2010
Location: Alabama
Posts: 455
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MCOR/Controller question - 2002 CLUB CAR DS IQ
Does anyone know if bad MCOR will prevent pin 12 of controller from pulling low to energize the solenoid? Controller is Curtis 1510-5201.
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08-18-2015, 08:59 AM | #2 |
Gone Wild
Join Date: Dec 2011
Location: Hampton, GA
Posts: 467
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Re: MCOR/Controller question - 2002 CLUB CAR DS IQ
Pin 12 – Blue/White (18-gauge) Solenoid coil – The speed controller provides a ground for the solenoid coil after the accelerator pedal is pressed,
Sounds like the symptoms of a bad MCOR to me, Unplug the MCOR and jump the 2 pin connector with a paperclip and see if it works. Let me know what you find. http://www.buggiesgonewild.com/elect...ml#post1124152 link is to a post by David Hicks Owner/Operator - Revolution Golf Cars I just read them , he has the experience with them Last edited by glassk; 08-18-2015 at 09:00 AM.. Reason: add credit |
08-18-2015, 10:13 AM | #3 | |
Gone Wild
Join Date: Feb 2010
Location: Alabama
Posts: 455
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Re: MCOR/Controller question - 2002 CLUB CAR DS IQ
Quote:
Thanks David, The solenoid would click and cart would surge forward a foot or so, then solenoid would drop out and cart would then stop, and sometimes even surge backward while switch was in the forward position. I unplugged the 2 wire connector and jumped it with a paper clip, and got nothing, and when I plugged the connector back into the MCOR, I got nothing - Solenoid was no longer clicking. My daughters had just bottomed the cart out on a dirt bank, and had to get the neighbor to help them push it off of the dirt bank. They asked me to check to see if there was anything under the cart that they could have damaged, that's when I researched and found out about the MCOR. I was thinking I may have damaged the controller by jumping the 2 pin connector on the MCOR, but maybe I should try jumping it again? |
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08-18-2015, 11:29 AM | #4 |
revolutiongolfcars.com
Join Date: Mar 2010
Location: Golf Car Capital of The World... Augusta, Georgia
Posts: 10,224
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Re: MCOR/Controller question - 2002 CLUB CAR DS IQ
You're not going to damage the controller by jumping the 2 pin connector of the MCOR. You're bypassing the internal micro switch of the MCOR when you do that. In order for the vehicle to begin to move the microswitch must close, which you're doing manually with a paperclip. Throttle signal must also be applied via the three pin connector within the MCOR. Once you jump the 2 pin out, it's necessary to apply throttle via the pedal. The solenoid won't click when the 2 pin connector is jumped unless it detects throttle signal from the 3-pin connector. If the vehicle operates normally with the jumper in place, replace the MCOR. We have them in stock if you're interested.
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08-18-2015, 01:38 PM | #5 |
Gone Wild
Join Date: Feb 2010
Location: Alabama
Posts: 455
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Re: MCOR/Controller question - 2002 CLUB CAR DS IQ
OK, Thanks. I'll do that test again this weekend.
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08-21-2015, 07:57 AM | #6 |
Gone Wild
Join Date: Feb 2010
Location: Alabama
Posts: 455
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Re: MCOR/Controller question - 2002 CLUB CAR DS IQ
I re-installed the MCOR last night to do this test. I jumped the 2 pin connector with a paper clip, and applied throttle. Solenoid clicked, but I'm not sure if tires turned, so I got into a position where I could watch to see if tires turned, and depressed throttle again and solenoid would not click again. I turned off ignition switch and turned cart to tow, then back to run, removed and replaced paper clip, turned ignition switch on and tried it again several times. I got nothing. Could my problem be in the three wire portion of MCOR? Whatever the problem is, it seems it is preventing pin 12 of controller form pulling low. Thanks
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08-21-2015, 11:40 AM | #7 | |
revolutiongolfcars.com
Join Date: Mar 2010
Location: Golf Car Capital of The World... Augusta, Georgia
Posts: 10,224
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Re: MCOR/Controller question - 2002 CLUB CAR DS IQ
Quote:
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08-21-2015, 11:43 AM | #8 |
Gone Wild
Join Date: Feb 2010
Location: Alabama
Posts: 455
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Re: MCOR/Controller question - 2002 CLUB CAR DS IQ
OK,Thanks David. I'll try that.
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08-23-2015, 12:11 PM | #9 |
Gone Wild
Join Date: Feb 2010
Location: Alabama
Posts: 455
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Re: MCOR/Controller question - 2002 CLUB CAR DS IQ
Performed the test as you described, and solenoid is no longer clicking at all. Do you know if there is a way to bypass the 3-wire portion of the switch using a potentiometer or something? Thanks
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08-24-2015, 04:21 PM | #10 |
revolutiongolfcars.com
Join Date: Mar 2010
Location: Golf Car Capital of The World... Augusta, Georgia
Posts: 10,224
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Re: MCOR/Controller question - 2002 CLUB CAR DS IQ
You can check the MCOR for resistance. Unplug the three pin plug. Check for resistance between the pins where the yellow wire and the white/black wire were. You should see approximately 6800ohms at zero throttle and 1100 ohms on the floor.
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