Hi Mr G,

If you have an original d2-53 style this might help taking it down to clean it up. To replace the electrical part is two screws (you need to fashion a wire puller to get the new wires in). IMHO it was very easy to do:

http://www.jalopyjournal.com/forum/threads/d2-53-guide-turnsignal-removal-and-recondition.961297/

American auto wire and summit sell 6 port housings and terminals.

http://www.summitracing.com/parts/aww-500194