thanks Mia for your help. but i have a question should i disconnected 2 wire from defective REVERSE LIGHT SWITCH or 1 wire should make light off if i didn't have any problem in my power wire ??
To get things correct, if you disconnected connector from the reverse switch and the lights still do not shut off,then the switch is OKAY.And the trouble is in wiring. Is this a manual or automatic transmission?And do you have any other lights turned on that would work(turn on) any of the other tail lights while the reverse lights are on? I can not tell you where the power is the is shorting into the reverse light wiring is, you will need to inspect the wires from the reverse switch back to the lights to find the problem.
IT IS MANUAL and i am sure you can't tell me where is the short. i disconnect 1 wire not 2 from switch and no other light is on only the reverse light.and thanks a lot for you fast reply