Remove battery ground strap before removing any wires from switch. Draw a diagram of the back of the switch and clearly label it with the colors of the wires and their locations, also before removing any wires. Replacement is the reverse of this sequence.
The oldest ship currently being used by Norwegian is the Majesty, which first entered service in September 1992 (the Dream first entered service in December 1992). The oldest ship currently being used by HAL is the Maasdam, which first entered service in December 1993.
Royal Caribbean's fleet also includes two other ships, Majesty of the Seas and Empress of the Seas, which are each in a class of their own. Empress is the oldest in the Royal Caribbean fleet, having launched in 1990.