Curtis 1268 wiring

Oldspot · 03-15-2023, 09:52 AM

Hi, I am installing a Curtis 1268 in an ezgo Rxv shell.
There is a connection j17 on the low side of the contactor,
Novice question does this j17 connect to the large 48v +ve pole,
Or the small -ve connection on the contactor
AE4BC061-E81B-41C5-BB63-EE7B37529981.jpg
Thanks

kgsc · 03-15-2023, 11:00 AM

J1-17 should be the ground for the coil activation circuit.

Page 14
https://cdn.curtisinstruments.com/pr..._manual_en.pdf

Oldspot · 03-15-2023, 01:17 PM

Great rapid response thanks!
Can I ask another one?
I am trying to use the Rxv three wire throttle
Orange,black,yellow
I assumed orange power
Black ground
Yellow wiper
But no go

The accelerator on/0ff, two wires do I connect Red to 48v and blue to controller

Nearly there👍

kgsc · 03-16-2023, 07:40 AM

Not sure how but in the original configuration orange is 5v, black is ground, yellow is wiper

Oldspot · 03-16-2023, 02:45 PM

That’s great thanks, that is how I had it setup. The controller pin on pot high only reads 0.61v. I have tried a 4 wire ohms throttle but still nothing.
Key on - 48v to where it’s meant to be. R and F show 48v when selected.
The contactor has 48v on both post if it’s engaged or not, but there is a resistor between the posts so probably correct.
B+ reads 48v and so does M with contactor in or out. I have not had any led flashing it seems dead. The

Oldspot · 03-18-2023, 03:40 PM

Ok so nothing,
I have acquired a Curtis 1313 handheld,
It comes up with no system detected.
I have pack voltage to contactor, B+ and M+
Is the controller bad or is there a trick to waking it up.

Cartmaster · 03-19-2023, 02:14 AM

The handheld is either not seeing the controller due to a bad or broken connection or the controller is dead. These are the only times I have encountered this. Last time, it was a broken wire in my handheld cable at the plug.

Oldspot · 03-20-2023, 09:05 AM

Great thanks, some person put J4 in J3 now corrected, I have power!
I am getting a 2:4 warning message. Contactor low, when I turn the key on the contactor clicks. I have 48v where I think it should be. With the resistor between both sides of the contactor it always reads 48v is there a way to test it. I need to read more how to diagnose faults with the 1313

Oldspot · 03-20-2023, 03:45 PM

https://www.youtube.com/watch?v=Fn-UHhWS2D0
I have taken a video is my contactor wired up right?
Thanks

03-15-2023, 09:52 AM	#1
Oldspot Not Yet Wild Join Date: Oct 2021 Location: England Posts: 46	Curtis 1268 wiring Hi, I am installing a Curtis 1268 in an ezgo Rxv shell. There is a connection j17 on the low side of the contactor, Novice question does this j17 connect to the large 48v +ve pole, Or the small -ve connection on the contactor AE4BC061-E81B-41C5-BB63-EE7B37529981.jpg Thanks

03-15-2023, 11:00 AM	#2
kgsc Gone Wild Join Date: Dec 2009 Location: Aiken, SC Posts: 13,188	Re: Curtis 1268 wiring J1-17 should be the ground for the coil activation circuit. Page 14 https://cdn.curtisinstruments.com/pr..._manual_en.pdf

03-15-2023, 01:17 PM	#3
Oldspot Not Yet Wild Join Date: Oct 2021 Location: England Posts: 46	Re: Curtis 1268 wiring Great rapid response thanks! Can I ask another one? I am trying to use the Rxv three wire throttle Orange,black,yellow I assumed orange power Black ground Yellow wiper But no go The accelerator on/0ff, two wires do I connect Red to 48v and blue to controller Nearly there👍

03-16-2023, 07:40 AM	#4
kgsc Gone Wild Join Date: Dec 2009 Location: Aiken, SC Posts: 13,188	Re: Curtis 1268 wiring Not sure how but in the original configuration orange is 5v, black is ground, yellow is wiper

03-16-2023, 02:45 PM	#5
Oldspot Not Yet Wild Join Date: Oct 2021 Location: England Posts: 46	Re: Curtis 1268 wiring That’s great thanks, that is how I had it setup. The controller pin on pot high only reads 0.61v. I have tried a 4 wire ohms throttle but still nothing. Key on - 48v to where it’s meant to be. R and F show 48v when selected. The contactor has 48v on both post if it’s engaged or not, but there is a resistor between the posts so probably correct. B+ reads 48v and so does M with contactor in or out. I have not had any led flashing it seems dead. The

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03-18-2023, 03:40 PM	#6
Oldspot Not Yet Wild Join Date: Oct 2021 Location: England Posts: 46	Re: Curtis 1268 wiring Ok so nothing, I have acquired a Curtis 1313 handheld, It comes up with no system detected. I have pack voltage to contactor, B+ and M+ Is the controller bad or is there a trick to waking it up.

03-19-2023, 02:14 AM	#7
Cartmaster British born Nincompoop Join Date: Feb 2007 Location: United Kingdom Posts: 2,463	Re: Curtis 1268 wiring The handheld is either not seeing the controller due to a bad or broken connection or the controller is dead. These are the only times I have encountered this. Last time, it was a broken wire in my handheld cable at the plug.

03-20-2023, 09:05 AM	#8
Oldspot Not Yet Wild Join Date: Oct 2021 Location: England Posts: 46	Re: Curtis 1268 wiring Great thanks, some person put J4 in J3 now corrected, I have power! I am getting a 2:4 warning message. Contactor low, when I turn the key on the contactor clicks. I have 48v where I think it should be. With the resistor between both sides of the contactor it always reads 48v is there a way to test it. I need to read more how to diagnose faults with the 1313

03-20-2023, 03:45 PM	#9
Oldspot Not Yet Wild Join Date: Oct 2021 Location: England Posts: 46	Re: Curtis 1268 wiring https://www.youtube.com/watch?v=Fn-UHhWS2D0 I have taken a video is my contactor wired up right? Thanks

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