installation of: Audio/Video ,Mobile Video , Satellite Radio , Stereo/Head unit Alarm/Remote Start , In Dash CD Receiver , In Dash DVD Receiver, Capacitors, Drop Down Screens , Headrest , Amplifier, Door Speakers, Door poppers , Complete Systems,Splice wires and solder connections to equipment and fixtures Construct wooded or fiberglass enclosures for sound components and install them Install speaker and electrical cables Talk to customers to determine the nature of malfunctions Replace electric or electrical components Record results of diagnostic tests Diagnose or repair problems using electronic equipment.