no reverse light on a toyota corolla Gli 2000 model?

The reverse light switch still working and sometimes the reverse light is on when the car start moving backward.so where is the problem.pls help..
ronaldo galang, July 2011
Check the wiring in the boot near the hinge , sometimes the wires can break inside the plastic . Try moving it by hand , IGN on & in reverse , see if the lights go on & off

Bruce, August 2011
link Click here to see other fixes for Toyota Corolla.