I was curious if anyone has replaced their negative battery cable? Mine is full of currosion from the connector on the terminal, all through the acutal wire, to the ground location on the vehicle. I have bought a new cable for $9 and was wondering if there is a nut that holds the screw conntected to the actual ground on the vehicle?

What I'm trying to get at is will I need to remove some of the fender wall to acces the nut that holds the screw in place on the ground cable? I appreciate any knowledge from people who know what they are talking about. Thanks!