[. . . ] [. . . ] (Inputting Higher level audio signals (headphone, external speaker etc) will override the radio and cause unwanted noise. Reducing higher level inputs can be achieved through the use of special attenuators or line level reducers. ) 3. The radio must be turned to the same frequency that was selected by Switch SW2. FM Modulator Connections and Installation Instructions +12 ACC POWER GROUND 36 SW2 TO CAR AN T. 18 TO VEHICLE ANTENNA OUT 36 T O RA D IO ANT. 89. 1/88. 7 MHz 132-5672 18 36 7. 5 SW1 RED RCA TO RIGHT WHITE RCA TO LEFT 125V 2A TONE AS/FS OFF/V OL XXXX/XXXXXX 1 2 3 4 5 6 T/F BAND UP DW N FUSE ANT. 4 VIDEO DC 12V 15 TO RADIO ANTENNA IN AUDIO + - + - RF OUT RCA PATCH CORD REQUIRED FOR STEREO CONNECTION Y-ADAPTER REQUIRED FOR MONO CONNECTION (6) 128-5503A [. . . ] [. . . ]