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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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12-31-2015, 08:37 PM | #1 |
Not Yet Wild
Join Date: Dec 2015
Location: Florida
Posts: 4
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89 Marathon overheating
My dad has a 1989 marathon 36 volt that seems to be overheating at the resistor assembly. We rebuilt the assembly today and discovered that a coil was broke. We cleaned it up and put it back together and it runs. However, after 5 minutes or so that resistor assembly gets real hot and begins to smoke. I'm worried it might start cooking the wires.
That batteries are new. They are deep cell. Do we need to buy another resistor plate assembly or is the problem elsewhere? IMG_0280.jpg IMG_0300.jpg |
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12-31-2015, 08:54 PM | #2 |
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Re: 89 Marathon overheating
repaired ? how ?
photo 2 ... you are missing the #1 cable your wiring digram coils need a complete coil to work correctly yes a broken or shortened coil will get hot at full throttle coils are by passed at #4 cable also when disconnecting battery pack , do it at the battery pack negative ( BR- ) |
01-02-2016, 08:13 PM | #3 |
Not Yet Wild
Join Date: Dec 2015
Location: Florida
Posts: 4
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Re: 89 Marathon overheating
Thanks for the response and the info. The repair consisted of the following...
Cleaned up all the bolts on the assembly in pic #2 The coil that has the thinnest wire was broke at the bolt and we reconnected it to the bolt by creating another loop at the end of the coil and attaching it to the bolt. We may have lost an inch of that coil. Added washer above and below the board in pic #2 where the #1 wire attaches and attached #1 wire to it. Additionally, I don't know if this is related, the go pedal seems to be sticking. Not the pedal itself but something in the mechanism. It will go forward at a pretty fast pace without having to push the pedal. After tapping the pedal a few times it will respond by slowing down. I just noticed in the 1st pic. while checking individual batteries one of the connections broke. We cleaned all of them and replaced the end on the one that broke. |
01-02-2016, 08:39 PM | #4 |
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Re: 89 Marathon overheating
the sweeper arm is sticking
check to see if a burnt area is on the contacts see if swiper arm is groved replace if needed http://www.buggiesgonewild.com/elect...er-issues.html |
01-04-2016, 07:20 AM | #5 |
Not Yet Wild
Join Date: Dec 2015
Location: Florida
Posts: 4
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Re: 89 Marathon overheating
Thanks. I'll check it out. Do you think that could be related to the overheating?
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01-04-2016, 07:36 AM | #6 |
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Re: 89 Marathon overheating
yes it could ... if sweeper arm is stuck it will get hot on coils
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over heating, resistor coil, resistor group assembly |
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