...and its not the switch. I disconnect the wires to the switch and the lights are still on. Where and whats should I try to troubleshoot next?

 

Sure you got the right switch? A real steep fine in these parts for having white lights on the rear of a vehicle. Take out the bulbs if nothing else.

 

The switch is only 5 years old and it worked fine ever since. I had to replace it then because I had no back up lights. But with the switch disconnected, there should be no lights. I can't figure out when the car is on, they stay on.

 

bump

 

first make sure its the right switch. the only thing it really could be is the switch sticking. or possibly the wiring is shorting/touching another hot wire.

 

The switched worked fine before. Even when I disconnected it from the switch the lights are still on.

 

What are the wire colors on your switch?
Do you have a test light or a voltmeter?

Lou