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



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Old 05-31-2014, 01:57 PM   #21
yurtle
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Default Re: 2004 TXT electrical problems / short

True. And maybe true for the A test, as the rotor is not supported - no front bearings.
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Old 05-31-2014, 01:58 PM   #22
RSGreen
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Default Re: 2004 TXT electrical problems / short

Will try these tests tomorrow evening; need to make a drive to one of the kids house a couple of hours away; appreciate this and will work it late SUN or first thing MON morning. Thanks again to everyone for your time and advice. RSGreen
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Old 05-31-2014, 02:06 PM   #23
radioman
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Default Re: 2004 TXT electrical problems / short

Quote:
Originally Posted by yurtle View Post
True. And maybe true for the A test, as the rotor is not supported - no front bearings.
I don't think the motor will turn with the A test with the light bulb without field coil energized.
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Old 06-01-2014, 06:53 PM   #24
RSGreen
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Default Re: 2004 TXT electrical problems / short

yurtle/radioman: Got home a short time ago. The motor is still in the cart so I tried the test that yurtle mentioned above. I put a jumper wire from S2 to A2, then applied 18 volts from three of the batteries in the cart as yurtle mentioned - no response from the motor.
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Old 06-01-2014, 08:21 PM   #25
sonnysmith
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Default Re: 2004 TXT electrical problems / short

place the jumper between a1 and s2 then connect 12 volts to the other terminals a2 and s1
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Old 06-01-2014, 09:14 PM   #26
RSGreen
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Default Re: 2004 TXT electrical problems / short

sonnysmith: tried it with the jumper between a1 and s2 with only 12 volts to the a2 and s1 terminals and still no response from the motor.
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Old 06-02-2014, 05:46 AM   #27
radioman
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Default Re: 2004 TXT electrical problems / short

If you don't have some continuity between A1 and A2 the motor is not going to run. It is not going to conduct electricity. You should measure about 2 ohms A1-A2. You can run all the electrical test anyone can come up with but if you have a good ohm meter you can trust it will save you a lot of time. I am not familiar with the inside of golf cart motors but all DC motors have brushes that make contact with the armature commentator and you should be able to locate them and see if they are making contact from the A terminals with a ohm meter. I would recommend you might consider taking motor to a shop.
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Old 06-02-2014, 07:36 AM   #28
yurtle
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Default Re: 2004 TXT electrical problems / short

The service manual tells detailed instructions on rebuilding the motor. Since it worked before (kinda), my guess would be the brush assembly or connecting cables got damaged, but a motor shop can easily fix that.
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Old 06-02-2014, 09:17 PM   #29
RSGreen
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Default Re: 2004 TXT electrical problems / short

thanks all for the help; found a local electric motor shop to take it to in the morning. will keep you posted after i get the results. RSGreen
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