I have this ancient 48V machine that seems to draw way too much current with the steering motor.

I expected maybe 20A, but the meter says almost 100A. The noise level is also rather high. The steering works, but i want it to work for a while and this can't be right. A 48V battery was put in when I acquired it, but it may have had a 36V battery originally. It has a new modern drive motor controller. The wiring is a hacked nightmare, and there is no diagram nor have I found one online.

What would be your game plan with this beast?