Usually, there are two of them.
Bad bulbs can be the cause of your reverse lights not working on your 1999 Toyota Tacoma. A problem with the reverse switch or bad wires can also be the cause of your reverse lights not working.
There is a switch on the shifter or trans that turns on the lights when the vehicle is placed in reverse, it is out of adjustment or faulty. And don't forget the bulbs or fuses as a cause.
how many reverse lights on a polo 2011
Two
one
1
Where is the fuse located for the reverse lights
one
2
from inside trunk remove trunk liner to expose back side of lights locate screws and remove install is the reverse
Perhaps something in the gear shift that turns on the lights when in reverse position.
Check your fuses