I have a Ford Focus ghia 2005 ,the reversing light stopped working ,have checked fuses & bulbs & they are ok.
Now at a loss of whats next

maureen, January 2016

Have you checked the switch out, think they are on top of the g/box, if not look for any wiring loom in and around the g/box, disconnect connector, if it has two terminals bridge across with a split pin/paper clip, turn on ignition, if they work replace the switch, might be a 21 mm socket/spanner, good luck.

cdc, January 2016