I need help!!!

chaz

New Member
Region
USA
I have a dc48v controller I need a detailed wiring diagram for I'm building a custom electric offroad scooter
 
This is the last one I used. Just follow the color codes. 🙃

Screenshot_20250829_193245_Chrome.jpg
 
A box of junk controllers looks like this. You cannot tell much from the label. You have to look at the connectors.

box.jpg

You need the wire diagram that is in the seller's listing, And they are all different. It's not worth the time to guess on every connection. You're on your own w/o any more documents,

dc_moto.jpg
 
That's a standard 48V controller.

BRAKES: LOW LEVEL means that it has an input for a brake cut-off switch that is activated when the input is shorted, and it runs off the standard 5vdc.

Speed set 1-4.2V is the standard throttle input.
Any voltage less than 1V or greater than 4.2V should give you a throttle fault.
It helps prevent accidental activation of the throttle.

I don't know what they mean by "DUAL MODE" ?


EDIT: DUAL MODE probably means that it will accept a 36V or 48V battery, and it will automatically detect the battery voltage and work safely with either battery.

Usually they label it DC36V/48V
 
Last edited:
That's a standard 48V controller.

BRAKES: LOW LEVEL means that it has an input for a brake cut-off switch that is activated when the input is shorted, and it runs off the standard 5vdc.

Speed set 1-4.2V is the standard throttle input.
Any voltage less than 1V or greater than 4.2V should give you a throttle fault.
It helps prevent accidental activation of the throttle.

I don't know what they mean by "DUAL MODE" ?


EDIT: DUAL MODE probably means that it will accept a 36V or 48V battery, and it will automatically detect the battery voltage and work safely with either battery.

Usually they label it DC36V/48V
Thank you so much that's a perfect match!!no do I have to use a display with that or no!!
 
Thank you so much that's a perfect match!!

Actually, that information doesn't really help very much.
You still need the wiring diagram to find out which wires are what.

If @harryS 's post showing a controller is the same controller that you have, then you're on the right track.

Try to find out the exact ebike it came from and try to get a wiring diagram from the manufacturer.


no do I have to use a display with that or no!!

You'll almost certainly need a matching display for the controller.



You can get a complete kit to build a scooter for $50-$200.

It comes with everything you need,..

Screenshot_20250830_195708_AliExpress.jpg
Screenshot_20250830_200551_AliExpress.jpg
Screenshot_20250830_200951_AliExpress.jpg




I'm not sure about building scooters?
I don’t think they use a PAS sensor? And I'm not sure about brake cut-off switches either?

Perhaps @Slaphappygamer can offer some advice??


EDIT: scooters don't have pedals, so they wouldn't have a PAS sensor,..
 

Attachments

  • Screenshot_20250830_200408_AliExpress.jpg
    Screenshot_20250830_200408_AliExpress.jpg
    153.8 KB · Views: 5
Last edited:
Right. No PAS.

Brake cut offs work the same as bikes. They both use a NO switch.

OP shows a 48v controller. You can tell because there is no mention of 36v, or its cutoff voltage.

“Dual Mode” means sensor and senseless. If a hall sensor burns out, you can still use the controller.
 
Back