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Unread 09-30-2008, 06:40 PM   #11
The Last Moja Morani
 
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Default Re: Newb with an old 36v that doesnt work

if your using six 12 volt batteries your gonna keep burning stuff up......you can,t do it or beleive me everyone would be..........they are wired in series so your running 72 volts, i might be wrong but i don,t beleive a resistor cart is gonna handle that at all even if you upgrade all cables and wires heavier.......you,ll need to upgrade the solenoid, the F&R and a few other things.........look into it further because your gonna keep burning things up......if you can talk to nate he will know for sure how to go about it but i would get some more input from someone whos been there................i might be wrong and if so someone please jump in and explain and if i,m wrong you have my sorry about that now..............................
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Unread 09-30-2008, 06:43 PM   #12
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Default Re: Newb with an old 36v that doesnt work

Quote:
Originally Posted by shadowman View Post
if your using six 12 volt batteries your gonna keep burning stuff up......you can,t do it or beleive me everyone would be..........they are wired in series so your running 72 volts, i might be wrong but i don,t beleive a resistor cart is gonna handle that at all even if you upgrade all cables and wires heavier.......you,ll need to upgrade the solenoid, the F&R and a few other things.........look into it further because your gonna keep burning things up......if you can talk to nate he will know for sure how to go about it but i would get some more input from someone whos been there................i might be wrong and if so someone please jump in and explain and if i,m wrong you have my sorry about that now..............................
Hey Tom,

He's says he's using 3 12's in series and only the two banks of 3 are paralleled so he should be at 36v.
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Unread 09-30-2008, 06:48 PM   #13
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Default Re: Newb with an old 36v that doesnt work

i must have misread it......not uncommon for me........i thougt i saw 6 12 volt batts but yes if only 3 than its ok.................my bad thanks.......PG..................i knew someone would come thur..............................
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Unread 09-30-2008, 07:45 PM   #14
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Default Re: Newb with an old 36v that doesnt work

yeah it's at 36v now. it works i just wired a toggle for the one i have to wait for. i love my golf cart now. before it sat in front of the garage waiting for me to get it right.
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Unread 09-30-2008, 09:46 PM   #15
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Default Re: Newb with an old 36v that doesnt work

3 12 volts hooked up with 3 more 12 volts in parallel which means he has 36 volts twice.
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Unread 09-30-2008, 10:35 PM   #16
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Default Re: Newb with an old 36v that doesnt work

yeah and that doubles the amperage also. i did my homework.
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Unread 09-30-2008, 11:17 PM   #17
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Default Re: Newb with an old 36v that doesnt work

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Originally Posted by gtrn116 View Post
hey thats the wrong diagram for it. trust me i tried it and burned up MS 1 and 3. i just got the one from ez go from the guy i know and i rewired it and it works now. 100%. thanks to those who replied and if i can get time, i'll post the diagram
What kinda bunk is this? TRUST you? YOU don't even know how many of what kind of batteries go in a 36v system and why.....You must have made a mistake when attempting to wire your cart as the diagram shows.
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Unread 10-01-2008, 06:52 AM   #18
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Default Re: Newb with an old 36v that doesnt work

i wired the batteres so i have 36 volts and i used the diagram for the switches. when i got the factory diagram it only has two microswitches shown, the forward and the accellerator switch. it was the guy at the shop that screwed me up when he told me that he gave me the right one. and how can you say i dont know how many of what kind of batteries when i know exactly whats going on? i have 6 12 volts, divided into two PARALLEL banks, each with 3 12 volt batteries in series, giving each bank 36 VOLTS, then whyen i put them in parallel the voltage is still 36, but i get double the amperage of having just 3 12 volt batteries. can anyone back me up on this?
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Unread 10-01-2008, 07:59 AM   #19
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Default Re: Newb with an old 36v that doesnt work

Yes, I can back you up on that but that doesn't necessarily mean it is the proper way. Unless your 12v batteries are Trojan 1275's or an equivalent 12 volt golf cart battery you will likely have issues with battery life since most 12 volt batteries don't like the deep discharges that will typically occur with a golf cart. Even the marine 12v "deep cycle" batteries will struggle under the load of typical golf cart usage and their lives will be shortened drastically.
Another issue will develop in how you charge your batteries. If you use the standard issue 36 volt golf cart charger, the charging algorithm was designed for 6v batteries not 12v.

At the end of the day, yes, you have 36 volts but there is much more to consider.
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Unread 10-01-2008, 10:20 AM   #20
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Default Re: Newb with an old 36v that doesnt work

I had a buddy hook me up with 12 volts that were designed for use in battery backup units that run for days. Thay are Gel cell and my charger charges them just fine. he did the exact same thing in his Yamaha cart.
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