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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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10-06-2017, 10:07 AM | #1 |
Not Yet Wild
Join Date: Apr 2016
Location: San Luis Potosi Mexico
Posts: 21
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marathon upgrade, Cart wont run. Can someone please help
Hello everybody. I haven't been on the site for a while but I an issue. I have recently upgraded my cart and installed a 7126 AMD motor, 1205 Cutis 500 amp controller, heavy duty solenoid, HD F/R switch and #4 cables. I purchased all this from Buggies unlimited. I wired everything the same as it was before based on the electrical drawing from the manual. After installation, the cart does not run. The tests I performed are as follows. I contacted the tech support at Buggies unlimited and they recomended the the following.
moving cable M- to A1 motor B+ to 6 oclock F/R switch F/R A cable to A2 motor A2 was then with no connections Result was no power to motor. Then i performed the following tests from information I received off of your website Battery pack voltage = 37.3V I checked the following Continuity test of POT 0 to 5K ohm. Result was smooth transition from 0 to 5.3K OHM when depressing pedal. Also checked the low current connection on the controler J3 white cable. goes from 0.47V no pedal depressed to 0.34V pedal depressed. Continuity test on all micro switches. Result all tested working properly. Solenoid test as per instructions from your website. All checked out fine. Also checked continuity of resister of 250 OHM. Checked out fine. Controller test positive from voltmeter on B+ negative on B- engage solenoid got full pack voltage when pedal depressed 37.3V. 30.4V no pedal depressed Moved negative lead to M- accelerator not depressed, got 17.2 V. Depressed accelerator, got 23.8V maximum. when you do the test again, it sometimes stays at 17.2 volts pedal depressed or not depressed. Swapped out the F/R switch with original. Result was the same. High AMP circuit test F/R switch in forward position, key on. Tester lead negative on B- terminal. Red lead M- terminal. Engage solenoid. Result 13.2V Left negative test lead on B- Red test lead to A1 on motor 37V A2 on motor 37V On F/R switch C terminal 13.2V On F/R switch B terminal 0V S1 on motor 2.7 to 4.5V S2 on motor 0V On F/R switch D terminal 0V On F/R switch A terminal 37V B+ on controller 37V Controller side large sol terminal 37V Battery side large sol terminal 37V B+ terminal on batt pack 37V Motor test Removed all cables Connected cable from S1 to A2 Negative cable on A1 to battery negative Positive cable on S2 to battery positive Motor turns no problem Can someone help?? |
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10-06-2017, 03:48 PM | #2 | |
Gone Insane
Join Date: Oct 2015
Location: TN/NC/GA Tri-state area
Posts: 3,952
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Re: marathon upgrade, Cart wont run. Can someone please help
Quote:
I would suspect the viability of any Curtis controller purchased from there. You never know where it was sourced...maybe a flood cart? |
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10-09-2017, 09:57 AM | #3 |
Not Yet Wild
Join Date: Apr 2016
Location: San Luis Potosi Mexico
Posts: 21
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Re: marathon upgrade, Cart wont run. Can someone please help
Thank you for letting me know. I was not aware of this at all.
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10-09-2017, 09:04 PM | #4 |
Over This Interview Is...
Join Date: Jun 2012
Location: AZ
Posts: 17,449
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Re: marathon upgrade, Cart wont run. Can someone please help
Do you get full pack voltage on controller small terminal #1 when pedal pressed?
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10-10-2017, 11:47 AM | #5 |
Not Yet Wild
Join Date: Apr 2016
Location: San Luis Potosi Mexico
Posts: 21
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Re: marathon upgrade, Cart wont run. Can someone please help
Thank you for the replay. Yes I had full voltage. What I found was a problem in the F/R switch which was also brand new. However, it was not manufactured properly. It was an aftermarket for sure.
I have put together a presentation that explains the problem and I would like to share it with the community because I am sure that the same could happen to someone else and I can help other people avoid extra cost, time and aggrevation, please review the attached. |
10-10-2017, 12:09 PM | #6 |
Gone Wild
Join Date: Aug 2014
Location: fletcher,nc
Posts: 601
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Re: marathon upgrade, Cart wont run. Can someone please help
this is why some of us strongly recommend carts unlimited...parts are of the highest quality,excellent service and support and the competitive pricing ....
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10-10-2017, 04:00 PM | #7 |
Not Yet Wild
Join Date: Apr 2016
Location: San Luis Potosi Mexico
Posts: 21
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Re: marathon upgrade, Cart wont run. Can someone please help
who could recommend a good 48 volt battery charger. I want to convert my cart from 36V to 48V but want a good charger that is automatic
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10-10-2017, 04:21 PM | #8 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,418
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Re: marathon upgrade, Cart wont run. Can someone please help
Lots of forum members happy with the DPI Accusense. It has a 5 stage charge cycle and goes to a float charge when it is done. American company.
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