bounder34

I have a 2000 Fleetwood Bounder34 . When changing the light bulbs in my living room wall light I lost all power to the lights in my slide out and wall light.i have checked all fuses in junction box, fuse/breaker panel and under the hood. All fuses good. Any ideas. I have the wiring diagram from Fleetwood but cannot find the problem. Anybody have this problem.