New to E-Bike and this forum

I am dealing with the biggest pain in the butt because everything is so small and there is no room to work. There are like 60 1/2 mm wires in a spaghetti mess to replace an internal controller, no room, and if one gets crimped I am screwed. One did break and I had to solder a work around. The more I move the wires the more brittle they become.

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