Whatelse can I do? Reverse lights don't work with a new switch and fuses work? on 1998 Chevrolet S10

New switch and fuses all good but reverse light still don't work.

Asked by for the 1998 Chevrolet S10
check bulbs and sockets for power and ground
1 more answer
could be a bad connection at the automatic transmission servo. park/neutral switch or switch could be bad or bad out of box