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



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Unread 02-29-2008, 07:24 AM   #1
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Default 70's 36 volt problem

I have a 70's model(not sure of year) 36 volt cart that has resistor coils. My 8 year old was driving it around the yard and the resistor coils got very hot. I figured this was due to him driving for such a long time at slow speeds. I put cart in garage and didn't really think anything about it. 2 weeks later when I tried to use it again it wouldn't move. Solenoid clicks and the headlights come on when I press the pedal. The lights are after-market halogen units. I disconnected the lights and now the solenoid doesn't click and the cart won't move. I've tried all the suggestions in previous posts that I've read. I've replaced all the battery cables, checked and cleaned connections. Does any have a wiring diagram that shows a better detail of the solenoid and speed control board? Sorry for the long post!
Thanks
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Unread 02-29-2008, 09:26 AM   #2
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Default Re: 70's 36 volt problem

Sounds like you have some mechanical / electrical ability...Can you put this up on jacks in the rear and test the power supply to see if it is getting thru the solenoid and to the motor? Also phsyically inspect those coils for a break....
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Unread 03-02-2008, 08:46 PM   #3
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Default Re: 70's 36 volt problem

I checked the resistor coils all seemed to be solid with none broken. I compared the wiring in my cart to all of the the diagrams I found on this site and none of them matched up. On my cart there is no wire that goes from the #4 connection on the resistor to the motor. The wire that all of the diagrams show going from the + terminal on the battery to the f/r switch is connected to the #3 post on the wiper board. From all the info I can find here, this can't be right! What I don't understand is if the cart is wired wrong, why has it been working for the past year that I've owned it? I can't find the tag that has serial numbers so I'm not sure of the year. It's an all metal body 36v the motor is mounted in the same direction as the rear axle. I tried to connect the charger to see if the batteries had lost their charge and it would not start. Could this be because the batteries are so dead that the charger doesn't recognize them? If so is there a way to use a 12 volt battery charger to put enough juice in the batteries so the charger will work? Thanks
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Unread 03-02-2008, 10:00 PM   #4
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Default Re: 70's 36 volt problem

rrjr, Okay, we need to figure out what cart you have! Look all over it - doesn't it say something on the body somewhere? If you can't find anything post a few pictures of it. There are a couple of simple things......Like if your son ran the batteries down and you put the cart away for a couple of weeks then the batteries are nearly murdered! You will have to charge 2 @ time in series, with a 12v charger until they hold about 6v each before you can charge with the cart charger. YOU are going to need to get a volt meter or a mechanic....We can't fix your cart from our PC without alot of help on your part.

I agree - your cart is probably not wired wrong just different from what you are looking at? How many solenoids does your cart have? What does the charger plug look like? There has got to be some kind of id tag or insignia on the cart .........
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Unread 03-03-2008, 02:44 AM   #5
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Default Re: 70's 36 volt problem

I have a 82 ezgo and it has no badges,plates or any other identifying part to it. I am estimating year model to pics I've seen , wiring diagrams, etc. When I bought my cart seller said it was an 88 club car, me being uninformed believed seller and now I have CC lift in garage(anybody want to buy).
RRJR I have found some older wiring diagrams by googling electric vehicles. You have to search a while but they are there. Sorry don't have direct link.
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Unread 03-03-2008, 09:20 AM   #6
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Default Re: 70's 36 volt problem

Quote:
Originally Posted by buckmanmike View Post
I have a 82 ezgo and it has no badges,plates or any other identifying part to it. I am estimating year model to pics I've seen , wiring diagrams, etc. When I bought my cart seller said it was an 88 club car, me being uninformed believed seller and now I have CC lift in garage(anybody want to buy).
RRJR I have found some older wiring diagrams by googling electric vehicles. You have to search a while but they are there. Sorry don't have direct link.
Mike, PM sent re lift!
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Unread 03-03-2008, 06:50 PM   #7
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Default Re: 70's 36 volt problem

Get pics of the cart, the old OLD ezgos look cool.
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Unread 03-04-2008, 07:17 AM   #8
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Default Re: 70's 36 volt problem

When I use the 12 volt charger do I hook the positive to the 1st battery and the negative to the 2nd? Also do I unhook the other batteries from the 1st 2 when charging? The cart has 1 solenoid and the charger plug has 2 flat blades that are in the shape of a upside down "V" The charger is a powerwise 21 amp. No id tags or badges. The guy I got it from said it was an ezgo but he didn't know what year it was. I'll try to get some pics posted later today. thanks!
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Unread 03-04-2008, 09:20 AM   #9
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Default Re: 70's 36 volt problem

Yes, that is correct way to hook up the charger. No , you do not need to discinnect the other batteries. What are your voltage readings? Sounds like you may have an old ezgo.....But this diicussion is worthless without pictures. And voltage readings.
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Unread 03-05-2008, 09:42 PM   #10
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Default Re: 70's 36 volt problem

A lot of people think Malex's are Ezgo's. They are very close to each other but have some small deferances.
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