[. . . ] Instructions for installation and connection Disconnect the battery ground wire during installation and connection. [. . . ] Ground cable Do not connect the ground cable to the negative pole of the battery. Route the ground cable to a suitable ground point (car body screw, car body metal sheet) and shorten it accordingly. Remove the insulation from the ground cable and attach the forked cable lug (if necessary, solder it). Scratch off the paint from the contact area of the ground point and lubricate it with graphite grease (important for good ground contact). Connect the positive cable together with distributor to pin 15 (positive line connected via ignition) of the fuse holder behind the fuse. Connect the permanent plus terminal together with the cable and cable clamp to a fuse-protected positive line (e. Install the car radio into the DIN cut-out provided in your car's dashboard ex factory. Prepare the car radio DIN cut-out (unlock shelf or dummy cover) or cut out the car radio compartment to 182 x 53 mm, see fig. [. . . ] 8 601 910 002, till vänster och till höger i de befintliga hålen i panelen och tryck in så långt, att ett tydligt knäpp hörs (sidofjädrarna går ur ingrepp). [. . . ]