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Unread 03-26-2015, 03:17 PM   #11
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Location: Charlotte, NC
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Default Re: Speed Issues - 2001 Club Car 48 Volt

This diagram should match your cart:

http://www.buggiesgonewild.com/attac..._with_mcor.jpg

The Throttle signal on controller Pin #3 (Yellow Wire), tells the controller how much power to send to the motor.
0v = 0%
5v = 100%

The problem is most likely the microswitch #3 not allowing 5v to the MCOR.
  • Raise the rear wheels of the ground.
  • Disconnect the Yellow wire from the #3 pin on the Controller.
  • Put the FNR on forward.
  • Turn the key switch ON.
  • Set Your meter to 20vDC

Measure the Voltage from the Yellow Wire to Controller B-

From Pedal Up to Pedal Down it should go from 0v to 5v approximately.

If not close to 5v at pedal down, the controller will not allow 100% power.

If the voltage is only about 3v at pedal down, the problem is likely that microswitch #3 at the FNR.

Don't run the Motor with the wheels off the ground.
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Unread 03-28-2015, 07:36 AM   #12
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Join Date: Jun 2008
Location: Cypress, TX
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Default Re: Speed Issues - 2001 Club Car 48 Volt

just some feedback for everyone. It was the micro switch 3. the switch wasn't bad just simply a screw with a nut that someone had put there for whatever reason. When I got the cart I did have to rewire the switch and many other things but simply didn't see the screw. That screw was simply causing the switch to turn on either in forward or reverse and I was only getting half the power to the motor. Thanks again.
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Unread 03-28-2015, 08:07 AM   #13
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Default Re: Speed Issues - 2001 Club Car 48 Volt

Sergio nailed it again! Congrats.
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