Check fuse 14 (15 amp fuse) check that you have power at the red/yellow wire at the brake light switch near the brake pedal, put a paper clip across that wire and the red/green wire at the switch the rear brake lights should now work if the switch is bad. When you press the brake pedal the red/green should be live when the pedal is pressed. Autozone have some popular workshop manuals for free on line once you register (for free) on their website http://bit.ly/autozone_repair_info or there is a company that independent auto repair shops "buy" their information from that offer a very reasonable service to do it yourselvers. You can get a one week subscription or year subscription very cheap. The information is year make and model specific repair procedures, service bulletins, component locations, wiring diagrams ect.... great quality information same as the professionals have ,much better than generic workshop manuals from parts stores, much cheaper than the factory manual try http://bit.ly/mitchell_repair_manuals_online and get an online repair manual subscription.