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Unread 11-26-2014, 03:48 PM   #1
Gone Wild
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Default MCOR problem?

I have a club car 2001 model with the IQ system. I know lots about ezgo but this is my first club car. Sometimes when I push the go pedal the cart will move a little and stop. I let off the pedal and push it again and it runs fine. Today I was running at about half speed and it just shut off. Let off the pedal and pushed it again and it took off like nothing happened. From what I have read I probably have a problem with the MCOR? It's hard to diagnose something that works most of the time.
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Unread 11-26-2014, 05:05 PM   #2
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Default Re: MCOR problem?

The microswitch inside the MCOR may be failing.

If you remove the floor mat and the access panel to the MCOR, you will see a 3 pin a 2 pin connector.

Disconnect the 2 pin connector and place a wire jumper or paper clip in the connector, make sure you put electrical tape to avoid a short circuit.

If the problem goes away, the MCOR needs to be replaced.

You can also look at the stickies in the club car section for a good view and write up on how to replace the switch inside the MCOR, but it is an involved process.
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Unread 11-26-2014, 05:16 PM   #3
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Ok, thanks for the reply.
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Unread 11-28-2014, 12:06 AM   #4
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Default Re: MCOR problem?

It's very possible that this is an MCOR problem, but Club Car didn't make the IQ system in 2001. You either have a 2002+ or you have a different drive system. What's the serial number?
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Unread 11-28-2014, 12:08 AM   #5
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Quote:
Originally Posted by TahoeDawgZ71 View Post
It's very possible that this is an MCOR problem, but Club Car didn't make the IQ system in 2001. You either have a 2002+ or you have a different drive system. What's the serial number?
Sorry about that I have fat fingers. I meant to type 2002.
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Unread 11-28-2014, 12:10 AM   #6
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Unread 11-28-2014, 12:12 AM   #7
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Default Re: MCOR problem?

The early IQ cars had an issue like you describe. It can often be eliminated by installing a "dropout harness" It's simple to install. Un plug the tow/run switch and install the dropout harness between the two plugs of the tow/run switch. 102355201 I believe is the part number. I'll have to wait til I go back to work on Monday to confirm, but I believe that's it.
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Unread 11-28-2014, 12:12 AM   #8
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The problem is I can't replicate the problem. Sometimes it runs for days with no problems and sometimes it will act up 3 times in 10 minutes.
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Unread 11-28-2014, 12:13 AM   #9
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Default Re: MCOR problem?

7F02 = Silver Standard IQ Golf Car, 2002 Model. Silver Standard is much like the Gold Standard cars, they're refurbished. The Gold Standard refurb is a little bit more involved though.
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Unread 11-28-2014, 12:14 AM   #10
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Quote:
Originally Posted by TahoeDawgZ71 View Post
The early IQ cars had an issue like you describe. It can often be eliminated by installing a "dropout harness" It's simple to install. Un plug the tow/run switch and install the dropout harness between the two plugs of the tow/run switch. 102355201 I believe is the part number. I'll have to wait til I go back to work on Monday to confirm, but I believe that's it.
Thanks. Do you sell the harness?
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