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Unread 11-23-2007, 09:22 AM   #1
Not Yet Wild
 
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Default mcor diagnosis

I need help in checking the mcor unit on my 2006 DS cart. The mcor has green & blue leads to one plug, and purple, white, & yellow leads to the other plug. This cart suddenly died. The batteries are fine, & the solenoid works OK, so I'm thinking that either the mcor unit is bad, or the speed controller died.
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Unread 11-23-2007, 03:49 PM   #2
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Default Re: mcor diagnosis

series car or IQ?
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Unread 11-23-2007, 06:50 PM   #3
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Default Re: mcor diagnosis

It's an IQ cart. The schematic posted in this forum appears to indicate that the two wire plug runs to a switch in the mcor unit, & the three wire plug runs to a pot to determine throttle position. I get no change in ohmmeter reading across the two wire connection regardless of throttle position.
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Unread 11-23-2007, 08:02 PM   #4
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Default Re: mcor diagnosis

Does the solenoid click?
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Unread 11-23-2007, 10:15 PM   #5
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Default Re: mcor diagnosis

Solenoid is OK - Clicks when pedal is depressed, & reads correct voltage to the speed controller.
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Unread 11-23-2007, 11:47 PM   #6
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Default Re: mcor diagnosis

the top wires to the MCOR are activating the solenoid.. So "most likely" your MCOR is good.

speed controller is highly likely, motor is a possibility.

Have you verified that the wires going into the MCOR are firmly in place, as well as the wiring harness into the controller?
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