what size wire does express and others run from the back to the trolling motor. do they have a standard or does it depend on the customers needs or the t.m. that is gonna be used. reason i ask i am re-doing my set up and installing a pdv2 55. i called minnkota and the guy told be whatever size come out of the trolling motor, in my case 10 guage, they recommend a size larger coming from the battery. something about line drop, greek to me. since my travel is only about 6 feet he told be 10 gauge would do but use 8 if i could find it..could not find 8 gauge so i am using 10.