[. . . ] Use only the supplied mounting hardware for safe and secure installation. Before detaching the front panel, be sure to turn the power off first. Then press the RELEASE button to open up the front panel, and detach the panel by pulling it towards you as illustrated. [. . . ] If there is alternator noise (a whining sound when raising engine speed), ground the master unit by connecting it to a metal point of the car with the supplied chassis ground cord 5. Connect the ground cord to the master unit with part 2 as shown in the illustration. If you connect an optional power amplifier and do not use the built-in amplifier, the beep-tone will be disabled. Be sure to connect the ground cord first, before connecting to the amplifier. Se till att ansluta den jordade kabeln först innan du ansluter till förstärkaren. Connect the unit to the power supply of the car after all other connections are complete. Connect pin 4 or pin 7of the unit's power connector to a free car circuit rated higher than the unit's fuse rating. Do not connect the terminals of the speaker system to the car chassis, and do not connect the terminals of the right speaker with those of the left speaker. Do not connect any active speakers (with built-in amplifiers) to the speaker terminals of the unit. Check your car's power connector diagram to make sure the connections match correctly. Before connecting the unit to the car`s power supply, be sure to match the position of the jump connector to the car`s pin order. If the power connector of your car does not match the connector on the unit, use the supplied connector 7. If you have any questions or problems connecting your unit that are not covered in this manual, please consult the car dealer. Check the pin position of the power connector of the car with the table on the below. [. . . ] If you have any questions or problems connecting your unit that are not covered in this manual, please consult the car dealer. Check the pin position of the power connector of the car with the table on the below. If positions 4 and 7 are reversed, remove the jump connector and shift it to the rightmost position as shown in the illustration. [. . . ]