Had an old Jeep Wagoneer, which used to run just fine. Just HAD to have that big "amp."
So he chops into the under dash wiring, gets the MAIN UNFUSED supply conductor, half--assed taped the "new" wiring to it NO FUSES NEEDED, the smoke will let you know "if" there's a problem.
"HOW many miles up Rapid Lightning are you? You want me to come up there and DO WHAT??"