where is the ground wire for the rear lic. plate lite on 1999 Buick Century

no lic. plate or back up lights. have already replaced fuse and bulbs. could this be the ground wire and if so . where is it located

by in Barberton, OH on June 24, 2011
1 answer
ANSWER by , June 25, 2011
each light has a black ground wire,,check the bulb sockets make sure the wires in them are free of rust