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Electric Club Car Electric DS, and Precedent golf cars |
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10-04-2018, 09:32 AM | #11 | |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: Backward Throttle Signal
Quote:
While the wire colors You indicated, Purple and Yellow, would be the correct colors for a "increasing range throttle" connections, depending on the cart wiring they may not actually go to the correct pins in the MCOR. If You measure the resistance directly on the 2 wires after you disconnect them from Controller J2 and J3, You will know for sure. I can not imagine the MCOR1 or MCOR2 would work as a 0-5kΩ throttle since they will never get below that Controller 50Ω requirement for "Pedal UP", the MCOR wiper is around 1kΩ. The MCOR4 should work better since it has a near 0Ω wiper, but You may need a resistor in parallel with the MCOR to keep the entire Pedal travel responsive as the MCOR4 will reach 5kΩ before the Pedal is all the way down. This is where those wires should terminate on the MCOR itself. |
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10-04-2018, 10:22 AM | #12 |
Crazy Wild
Join Date: Jun 2015
Location: Carolina Lowcountry
Posts: 796
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Re: Backward Throttle Signal
Removed yellow and purple mcor4 wires from controller.
Reading 5 ohms pedal up, around 450 pedal down. The cart was working with original controller until 2 days ago. Nothing has been changed, except now the accelerator it backwards. It is doing the same with the mcor4 installed. |
10-04-2018, 10:31 AM | #13 | |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: Backward Throttle Signal
Quote:
Is the 3rd wire from the MCOR cut right at the plug or could it be shorting against something? |
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10-04-2018, 10:32 AM | #14 |
Crazy Wild
Join Date: Jun 2015
Location: Carolina Lowcountry
Posts: 796
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Re: Backward Throttle Signal
The 3rd wire is cut and taped.
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10-04-2018, 10:35 AM | #15 |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: Backward Throttle Signal
You may need to unplug the MCOR 3 pin connector and measure the resistance right at the MCOR pins, You may have an issue with the wires coming from the MCOR, like being pinched under the batteries.
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10-04-2018, 10:56 AM | #16 |
Crazy Wild
Join Date: Jun 2015
Location: Carolina Lowcountry
Posts: 796
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Re: Backward Throttle Signal
My old craftsman voltmeter has bit the dust. It was giving false readings.
Put new ohmmeter on mcor4, it is reading pedal up 5400 ohms, pedal down 390 ohms |
10-04-2018, 11:08 AM | #17 | |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: Backward Throttle Signal
Quote:
Your values are closer to a throttle type 4 or 1. |
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