93 SC400 V8.. Need help with rear tail lights...

[gr8gribbs]

....Not coming on when headlights are on. Anyone have a electircal wiring diagram so I can try 2 trace whats going on?

 

[Lextreme II]

Both lights at the same time? Check the fuse...

 

[gr8gribbs]

I checked the tailight fuses under dash and it's not blown.. I don't know what's up... They light up when I hit the brakes, but wont come on when the lights are on