ok i got a question is there a difference between power wire and ground wire i mean yea of course the power is for power and the ground is to stop shorts but i mean could you use the same wire or is the wire different?
only difference is usually the color of the plastic casing so you can tell them apart. you can use the same cable for both pos and neg runs, sure. I do all the time if the wiring isn't for show and just for function