If this has been posted or asked before. Pointing me in the right direction would be great. I got to page 20 of 1001 and gave up looking and decided to make a new one. Anywho. I'm new here and semi new to the truck I have. It's a 05 super crew xlt 4x4. The drivers rear running light will not work. Passenger side does. The contacts for the running light are getting 6 volts when just running lights are on. But the full 12 when the brake is depressed. The light worked fine on Saturday and Sunday. And Monday it stopped. All the wires are in the original looms and the looms are in good shape. I'm at a loss. Help?