Replacing a 6 cable throttle with a 5 cable throttle on e-trike ?

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Hi. It's a Trike: 36v 350w Brushless motor.

Question: Is replacing a 6 cable throttle(led bar) by a 5 cable throttle(led numbers display) even possible? If so, need to know the right order of the cables in switch.

First time playing in wires, have no background in electronics, just plain observation. Could short the silver control box if wrong wires go, so i must be 100% sure.

I think 'Signal' cable is white on the 6 cable wires & blue on the 5 cable wire.

Made a collage of many 6 cable throttles to compare general color assignations,often similar although not always standard.

There are also many other unused wires sticking out the control box.
The 5 cable throttle should maybe plug that way for all i know...

Appreciate the help, thanks for reading

 

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Just found out the last bike technician switched the control box from 36v to 48v

 

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Trying to connect cables and confusion:

Yellow/blue cables from 'NEW' to yellow/brown cables on 'OLD'
makes key_switch turn scooter road light & led screen ON
but throttle will not make wheel turn. Also if the black
cables are connected the led screen is always on no matter key position.

Since the wheel was not moving i tried connecting black/red/green
to same color trio in loose wires with zero results.

Wheel never moved... hope i never burnt out something by cable connects

 

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no answer, wow is everyone so clueless