The 2002 Cavalier has a reverse light switch. The switch can be bad, or have a loose connection causing the lights not to work.
have you checked the bulbs and fuses
check for blown fuses
Defective reverse light switch.
There are a couple of reasons why a 2005 Saturn Ion's reverse lights will not work. The fuses may be blown or the light bulbs need to be replaced. Fuses and bulbs can be purchased at any auto parts store.
Check your fuses
have you checked the reverse lights switch?
If the reverse lights are not working on a 1999 Chevy Suburban, be sure to check the fuse panel. If all the fuses are in working order, check the wires for any loose connections. Faulty wires can result in little or no light input.
Apperently there are no fuses for the reverse light. First check the wiring that goes down the trunk. The wire tend to split due to the trunk going up and down.
Check the fuses first. Is sounds like there is a power failure to the light system. There could also be a broken wire to the fuse box.
The problem is the reverse light switch. It is located on the top of the transmission that should sloved your problem.
Try bypassing the reverse light switch that plugs into the transmission. If your reverse lights come on, voila! Problem solved. Buy a new switch.
check the fuses for the head lights check the fuses for the head lights