No Back Up Lamps

I have a 65 Dart convert and the rear back up lamps are not working. Yes the bulbs are good and the only thing if the switch on the tranny wiring goes to a connector under the console. any ideas?

http://www.mymopar.com/index.php?pid=24

http://www.mymopar.com/downloads/1965/65DartA.jpg

http://www.mymopar.com/downloads/1965/65DartB.jpg