hello, i have a Tracker fisherman 16. it comes stock with pre wired motorguide bow mount motor. that battery is front of boat. i want to add nav lights fishfinder and eventually a bildge pump.i plan on adding another battery at the stern to run all the stuff i just mentioned.my question is, is there a basic diagram that i can follow, that will tell me everything i need to purchase to accomplish this? i wanna add a switch panel also fpr these things. the trolling motor is fine alone on its battery. so basically im starting with nothing. please keep in mind im not the sharpest tool in the shed. lol. thanks in advance for any help.