I understand that part with the switch, but I didn´t understand where the cables are being attach to the harness going into the car, from the radio.

Hi! I´m not sure I get it all. Mr. rspi writes that on his S70 the light controls wires are #2 pink and #5 black. Where should these wires be connected to? Which cut cable or/and which radio connection position? Mr. PCars writes: "Pin 10A(Pink wire) and 11A (Black wire). These appear on the wir...