I cutted the A2B cables and the reconnect it. So It is not working.

I am working on the application of RANC in automobiles.
The A2B cables currently used are daisy chained with one cable.
Because cars are heavy, cables may have to be cut and reconnected depending on the situation.
However, in my case before, when I cut the cable and then twisted the wires inside and reconnected it, the A2B system did not work properly.

If I cut the A2B cable and reconnect it, won't it work normally?
Or, is it possible that it was simply a different problem?