Hi SoulFlight:

Sorry, I do not remember all the lighting effects now, but, below, I believe, are all the light controls on 737-200 (that CS has provided). It will take you a good few minutes to locate and turn/try all of them... :)...

Are you trying all?

1. L09 [LIGHTS CONTROL PANEL]
2. R09 [PANEL LIGHT CONTROL]
3. O12 [OVERHEAD/CIRCUIT BREAKER PANEL LIGHT CONTROLS]
4. A07 [DOME LIGHT CONTROL]
5. S01 [MAP LIGHT CONTROLS]
6. P16 [FLOOD LIGHT CONTROL]
7. O06 [LANDING, RUNWAY, TURNOFF, TAXI LIGHTS]
8. O29 [MISCELLANEOUS EXTERIOR LIGHTS]