One flasher attaches to the side of the pedal assembly and the other to the side of the ash tray assembly.

The little light goes above the cigarette lighter. The long orange wire does to the center console shifter light.

The seatbelt cover just sits cover the seatbelt assembly. It gets sandwiched between the seatbelt assembly and the colored plastic piece that the seatbelt goes through.

The different lengths are for the number of belts that it holds. Locations by the door sill have only one belt (short) and the ones by the tunnel have more than on belt (long)