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Unread 01-24-2010, 04:16 PM   #1
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Default Throttle problem

I have a 2001 Club Car DS. When the weather gets cold the throttle does not respond well. Sometimes I need to pump the throttle just to get the cart to move. Once the outside temperature gets back to about 60% it works fine again. Any idea what might be the problem?
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Unread 01-24-2010, 09:12 PM   #2
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Default Re: Throttle problem

Sounds like the mcor switch is going bad.
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Unread 01-24-2010, 09:26 PM   #3
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Default Re: Throttle problem

Can you tell me what and where that is? I am thinking it may be in the black box on the passenger side of the cart underneath??
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Unread 01-24-2010, 09:59 PM   #4
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Default Re: Throttle problem

Did you mean the MICRO switch?
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Unread 01-25-2010, 08:00 PM   #5
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Default Re: Throttle problem

No he didn't stutter

It is the Motor Controller Output Regulator

here it is on 2003 model
Attached Files
File Type: pdf 03_IQ_scheme.pdf (119.3 KB, 21 views)
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Unread 01-25-2010, 10:07 PM   #6
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Default Re: Throttle problem

Thanks Garry.
Is there a test I can do for the mcor other than changeing it out?
My cart also acts like the batteries are at a low state when this problem shows up even though I know they are at full charge with good cables.
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Unread 01-25-2010, 10:24 PM   #7
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Default Re: Throttle problem

Quote:
Originally Posted by Roadkillnc View Post
Thanks Garry.
Is there a test I can do for the mcor other than changeing it out?
My cart also acts like the batteries are at a low state when this problem shows up even though I know they are at full charge with good cables.
It could be a lot of things, does it sit outside in cold weather? your solenoid might be getting weak.That MCOR switch is about 200.00 bucks.Does it run ok when you get it going,throttle up and down like it should?You know after you drive it around for awhile?
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Unread 01-25-2010, 10:51 PM   #8
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Default Re: Throttle problem

It runs great throttle up at first. When I did a steep hill yesterday it started acting up again. Then it almost seemed like the charge was low even though I know I had a full charge. Almost acts like I have a bad cable. I just replaced a burnt out F/R switch last week and replaced some cable ends. That seemed to help.
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Unread 01-25-2010, 10:54 PM   #9
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Default Re: Throttle problem

Is it jumping and snatching or is it just maybe skipping a speed?
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Unread 01-25-2010, 11:02 PM   #10
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Default Re: Throttle problem

I am running a 10 HP Advancd DC Black Motor, upgraded #6 cables, Upgraded high amp controller, Trojan T-890 8 volt batteries and a heavy duty F/R switch. I just replaced the heavy duty F/R switch since it failed a few weeks ago. That is also when I replaced some cable ends that looked corroded.
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