[. . . ] Connect red wire 6 with positive battery, the black wire 7 with negative vehicle ground and the yellow control wire 8 with the control output (e. [. . . ] Input sensitivity Phase adjustment Crossover frequency Connection sockets Preamplifier input jacks + battery, red - ground, black ON/OFF control input, yellow Loudspeaker input left, + green, - green/black : Loudspeaker input right, + grey, -grey/black ; Fuse 7 A If installed directly on a hard base (side or bottom plate), we recommend to use the enclosed, self-adhesive foam padding between the housing, supporting angle and installation surface. As basic tuning before initial operation we recommend the following switch and control settings: response 1 on minimum, phase 2 on 0°, filter 3 on 80 Hz. Switch on the equipment and select a piece of music, either on cassette or CD, with a prominent bass line. Raise the volume of your stereo equipment until you reach a maximum volume without distortion. Now turn up the response control 1 carefully unitl you hear a distinct increase in the bass level. by means of switch 3 , adjust the filter so that the acoustic blend of the builtin loudspeakers and the woofer system is unnoticeable. [. . . ] Ledningen 6 röd ansluts till bilbatteriets pluspol, ledningen 7 svart till bilens chassie och styrledningen 8 gul till bilstereons styrutgång (t ex för auto-matantenner och förstärkare). [. . . ]