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Unread 07-08-2013, 02:59 PM   #11
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Default Re: Swapping Curtis Controller 1204 to 1205M

Jimigoe, yes it can support 3 throttle types, but it has to be programmed for a specific one.

I'm still going with wrong throttle type. I think you are wasting your time with anything else until the controller throttle parameter matches your throttle input.
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Unread 07-08-2013, 05:53 PM   #12
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Default Re: Swapping Curtis Controller 1204 to 1205M

Thanks Sunoco, you are right, looking at the manual you need to program the throttle type. The default of the 1205M-5605 is set for 5K-0 Ohms, fortunately my 97 CC DS has a 5K-0 potentiometer in it, I checked it with a ohm meter. I think they changed from 0-5K in late 95.

Anyway, the somewhat good news is now the cart works in forward after I put in the “By-Pass Cable” around the computer like BU tech support suggested. I have the old cable going thru the computer from B- on the controller to the negative battery and the new cable going directly from the B- to the negative batter by passing the computer. Like I said it runs great in forward with about the same speed as the old controller but a lot more torque.

Unfortunately it won’t go in reverse. The buzzer goes off but the cart won’t move. Back to scratching my head on this one.
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Unread 07-08-2013, 06:00 PM   #13
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Default Re: Swapping Curtis Controller 1204 to 1205M

Is your stock controller black or grey? Can you post some pics of controller?
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Unread 07-09-2013, 09:25 AM   #14
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Default Re: Swapping Curtis Controller 1204 to 1205M

Here are the pics of my old 1204 stock controller.

As for my "No Reverse" problem, I tested the throttle pot at the controller and in forward it is 5K-0 Ohms when I press the gas as expected but in reverse it is 10K-5K so the controller would not kick in. There is a 5K resistor that gets added to the reverse throttle coming from Micro Switch 3 when the direction handle is put in reserve. I jumped out the 5K resistor and the reverse throttle is now 5K-0 and the cart works in reverse and forward.
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Unread 07-09-2013, 09:19 PM   #15
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Default Re: Swapping Curtis Controller 1204 to 1205M

Cool. If you want to sell your old controller, there is another member looking for one. He posted a want ad in the parts thread
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