Buick Century V (1982-1996) Instrument illumination circuit

ASHTRAY LIGHT BLK WIRE BLK/WHT WIRE BRN WIRE DIMMER SWITCH DIMMER TRANSISTOR (BEHIND LEFT SIDE OF I/P, NEAR LIGHT SWITCH) DK GRN WIRE FUSE BLOCK FUSE BLOCK INST LPS FUSE GRY WIRE HEADLIGHT SWITCH HEATER, A/C CONTROL ASSEMBLY HOT AT ALL TIMES INSTRUMENT CLUSTER LIGHT SWITCH LT BLU WIRE LT BLU/BLK WIRE MASTER SWITCH ASSEMBLY LIGHT (BUICK) OFF HEAD PARK OLDS OLDS, BUICK ORG/ WIRE RADIO REAR DEFOGGER CONTROL RIGHT FRONT WINDOW SWITCH LIGHT (BUICK) TAIL FUSE