American Internationals full line of wire harness are designed with the installer in mind. The purpose of wire harness is to allow an installer to connect an after market radio into a vehicle without having to cut the factory harness; thereby voiding the manufacturers electrical warranty and will in turn save time on installation. All American Internationals wire harnesses are standard E.I.A. color coded, ending wiring guess- work. All wire harnesses include complete step by step instructions.Look to American International as a complete supplier of a wire harness & installation accessories.