ku63 / ku65 controller powered without display, which jumper wires?

Since colors may change, I don't know which colors you need to connect, but the "signals" you need are the battery positive wire to the "keyswitch / ignition" wire. The KSI wire will connect inside the controller to the input of the low-voltage power supply LVPS section of the controller, usually near the main battery connections (near the biggest can-style capacitors, typically).


Note that without the display, the controller will run in a "default" mode, which may be the lowest assist level, with the lowest speed limit and lowest power output. Some do this, some don't; I don't know what yours will do.
 
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