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Unread 11-23-2007, 01:36 PM   #1
Not Yet Wild
 
Join Date: Nov 2007
Location: West Central Georgia
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Default Convert Resistor to Controller?

A local golf cart repairman told me I would be better off converting my '85 resistor setup to a controller, especially if I wanted more power and speed. There must be advantages to controllers, else the makers would not have started using them.
What are the thoughts of the enthusiasts here about making a conversion?

What changes are involved in the conversion?
Are there additional costs other than the controller? Motor? Charger?
Are there mods to the frame (i.e., mounting brackets, etc) that need to be made?
Can I convert incrementally, or is it best to just do it all at once? (I do still have to adhere to a budget.)
If I make the conversion, can I still be a member of the Old School Marathon Drivers? (This one is important to me)
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Unread 11-23-2007, 03:51 PM   #2
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Default Re: Convert Resistor to Controller?

lol... the motor is the same, (unless you want more power). The charger remains the same.

You will also be needing a potentiometer.

Late model Marathons had speed controllers, so I think you would still be allowed in the club.
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Unread 11-24-2007, 08:13 AM   #3
nimda
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Default Re: Convert Resistor to Controller?

All You need is a pot box (PB-6) and controller. Nothing else is NEEDED. Your run time will increase and you "might", and thats a big might gain a mph or 2. Thats only if the old resistor system is faulty and not working right in the first place. Everything else as Phasetim said is the same....ie motor, solenoid and "most" of the cables. You should be able to manage without having to buy any cable but if you don't a quik trip to the local auto parts store or wally world to pick up a battery cable will get you going.

More than likely you will need to fab mounts for these components. The PB-6 will be the most critical as far as where to mount as the factory pot box has a rod coming from the pedal to the box....everything else will be flexible as far as mounting location because you can just wire to it.

When your local guy said you would be better off converting, especially if you wanted more speed I think he meant that your limited to what you can do with a resistor style system because you can only get so much power out of the older style system. You can get more power out of a controller system and there are more options available.
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Unread 11-24-2007, 08:51 AM   #4
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Default Re: Convert Resistor to Controller?

at some point its better to put that one on the side of the road, and buy a newer one...
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Unread 11-24-2007, 09:18 AM   #5
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Default Re: Convert Resistor to Controller?

Quote:
Originally Posted by phasetim View Post
at some point its better to put that one on the side of the road, and buy a newer one...
But then I'd have to give up the Old School shirt!
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Unread 11-24-2007, 11:55 AM   #6
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Default Re: Convert Resistor to Controller?

You could always joing the Club Car drivers club
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Unread 11-24-2007, 11:59 AM   #7
nimda
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Default Re: Convert Resistor to Controller?

Quote:
Originally Posted by phasetim View Post
at some point its better to put that one on the side of the road, and buy a newer one...
I agree...Its one thing to have these components laying around or get them cheap and a whole other thing when you go buy all NEW stuff. You could easily spend more money on a controller than the cart is worth. It all depends on what YOU want to do with it.
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Unread 11-24-2007, 12:09 PM   #8
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Default Re: Convert Resistor to Controller?

Also a lot depends on how and where you use your cart. I converted my, pardon the word, Club Car from resistor to controller about a year ago. As most of my use is at very slow speeds (where resistors are most wasteful)I gained a significant amount of "run time" on a charge. I also noticed a gain of some speed when pulling hills. If most of your time is spent with the pedal on the mat and on level ground the up-grade may not be worth the investment. You would likely be better off going to 4 gauge battery cables for now and waiting for the resistors to start giving you trouble and then switching. Just my .02 worth... Car53
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