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Unread 05-15-2019, 07:45 AM   #1
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Default What Type of Throttle Signal Does a 3 Wire Multi Step Potentiometer Have?

I am converting my 1999 DS resistor cart to solid state and have converted my v-glide to a 3 wire multistep potentiometer. My question is what type of throttle signal does it send to the controller now? 5k-0 is what I get between post 1 and post 9 with my multimeter but I am wondering what if anything changes when connecting post 2 to B- on the controller? I am using an Alltrax SPM 48500 controller and there is a throttle setting for "Club Car 5k-0 3wire throttle" which I am assuming is the correct one but we all know what happens when we "assume"

V-Glide converted to 3 wire multistep potentiometer.jpg
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Unread 05-15-2019, 08:44 AM   #2
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Default Re: What Type of Throttle Signal Does a 3 Wire Multi Step Potentiometer Have?

The confusion is that a 3-wire throttle provides a "Voltage Divider" signal and not a 0-5kΩ or 5k-0Ω which are 2-wire rheostat type throttle signals.


For 2-wire throttle signal:
Post #1 and #9 provide a 5k-0Ω throttle
Post #1 and #2 provide a 0-5kΩ throttle

For a 3-wire throttle signal:
post #2 goes to negative or B-
post #9 goes to the throttle power.
Post #1 provides the signal output that starts at 0v and goes to the voltage supplied by post #9.
To use what Alltrax refers to as "Club Car 5k-0 3wire throttle", You need to wire all three wires as described.
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Unread 05-15-2019, 09:13 AM   #3
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Default Re: What Type of Throttle Signal Does a 3 Wire Multi Step Potentiometer Have?

Thanks Sergio, so just to be clear, the SPM has a Hi throttle and Lo throttle connection, so post 1 to Lo throttle and post 9 to Hi throttle and post 2 to B- correct?

SPM 48500 Connections.jpg
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Unread 05-15-2019, 09:17 AM   #4
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Default Re: What Type of Throttle Signal Does a 3 Wire Multi Step Potentiometer Have?

Quote:
Originally Posted by handtools View Post
Thanks Sergio, so just to be clear, the SPM has a Hi throttle and Lo throttle connection, so post 1 to Lo throttle and post 9 to Hi throttle and post 2 to B- correct?

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