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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV.

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Unread 07-02-2008, 03:15 PM   #1
Getting Wild
Join Date: Apr 2008
Location: Lawrenceburg KY
Posts: 111
Default How to test the controller?

I have a 2002 ezgo pds golf cart Is their anyway to test to see if the controller is bad?
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Unread 07-03-2008, 08:40 AM   #2
Club Car
Join Date: Jun 2007
Posts: 12,915
Default Re: How to test the controller?

This will test for controller output. This test assumes everything else is functioning properly.

Connect (-) probe to M- terminal.

Connect (+) probe to B+ terminal.

Reading should indicate approx. 0 volts. Slowly push the throttle. As you push the throttle the voltmeter reading should go up all the way to pack voltage.
If the voltage is at or near battery voltage and the motor is not turning, problem lies in either the forward/reverse switch, wiring or the motor.
If the voltage increases by a few volts and then stops changing while the pedal is being depressed, remove the orange wire at the reverse micro switch.
If the voltage is not at or near battery voltage, replace the controller.
If battery voltage is present, the problem lies in the reverse circuit.

Re-connect the orange wire.
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