Need recommendation for Wiring Harness/new CPU/Display

Ok . There are signal wires and there are wires that hold the load of the wattage. The red and black battery wires you should use a xt60 connector. Oh soldering.
The yellow, blue and green wire the thick ones are the phase wires. They hold the current from the controller to the motor I use 4 mm gold plated bullet connectors oh yes more soldering and shrink tube them.. be careful your controller may still be holding energy as a lightning bolt inside and it may shock you. Turn it on lift the wheel and turn the throttle to dissipate the energy or lightning bolt out of the controller.
This is to prevent KFF. This will be for someone else to explain to you.
Plus at this point you should buy an e-bike tester for 10 to $15 it will test motor controller throttle and maybe something else. And easy golden tool I'm going to have to go downstairs and use it on a donor bike I got today.
 
Will the above battery work with a 3000 volt kit or should I look for 48v 2000?
We need to pay attention to our terminology. The kit you listed above is not a "3000 volt kit," it is a 72 volt 80 amp kit. Requires a hefty 72 volt battery. Won't work with any 48 volt battery I know of.
 
We need to pay attention to our terminology. The kit you listed above is not a "3000 volt kit," it is a 72 volt 80 amp kit. Requires a hefty 72 volt battery. Won't work with any 48 volt battery I know of.
It looks sort of like a Sabvoton 7280 clone. Might work if it is; if the battery could deliver more current.
 
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