Depending upon the model you will have 8 large cables in sets 4, one positive one negative one motor feed out one motor feed return per side
Rc input cable is available separate or you can make one manual shows which pins you need to use

My advice by plenty of 50amp Anderson connectors and a few 175

Will make removing and testing much easier if you use quick release connectors
Always mount on vibration mounts if possible. Heavy shocking kills escs quickly