tommybad
10+ year member
Member
yes how do i find out what wire is my ground wire for my car , i have a old 90 mustang and the colors are not the same as the new radios , is there an instrument for finding which wire is grounded i know about lead wires and power leads, but im not sure bout ground i thought it was blac k but that wire was use for ignition for this other radio i had , im lost