I have a 2002 F150 Supercrew. The turn signals and brake lights quit working. Fuses are good. Would a bad turn signal/hazard switch cause the brake lights to quit working? Would a bad brake light switch cause the turn signals to quit working? I've had the truck since new and neither have ever been replaced. Thinking it wouldn't hurt to replace both...

 

Sounds like a wiring issue somewhere along the way, dumb question but have you verified that there's no power at the rear lamp connectors?

-Steve