[. . . ] Consult your dealer if installation requires drilling of holes or other modifications to the vehicle. Do not install this unit where : -- it may interfere with operation of the vehicle. [. . . ] Use either truss screws (5 mm × 8 mm) or flush surface screws (5 mm × 9 mm), depending on the shape of screw holes in the bracket. When this unit is installed in a vehicle without ACC (accessory) position on the ignition switch, red cable must be wired to the terminal that can detect the operation of the ignition key. 15 Yellow/black If you use an equipment with Mute function, wire this lead to the Audio Mute lead on that equipment. 12 ISO connector In some vehicles, the ISO connector may be divided into two. 13 Speaker leads White: Front left White/black: Front left Gray: Front right Gray/black: Front right Green: Rear left Green/black: Rear left Violet: Rear right Violet/black: Rear right 28 Perform these connections when using the optional amplifier. Use of this unit in conditions other than the following could result in fire or malfunction. To prevent a short-circuit, overheating or malfunction, be sure to follow the directions below. To protect the wiring, wrap adhesive tape around them where they lie against metal parts. -- Place all cables away from moving parts, such as gear shift and seat rails. -- Place all cables away from hot places, such as near the heater outlet. [. . . ] 15 Yellow/black If you use an equipment with Mute function, wire this lead to the Audio Mute lead on that equipment. System remote control Left Right Rear speaker Perform these connections when using the optional amplifier. [. . . ]