Interior light circuit, commercial chassis for Chevrolet Forward Control P30 (1985-1999)

BLK WIRE BRN WIRE DK GRN WIRE DOME LAMP SWITCH GRY WIRE HEADLAMPS SWITCH HIGH DIM HORN DIM FUSE 3 HOT AT ALL TIMES I/P FUSE BLOCK I/P LAMPS DIMMER SWITCH INSTR LPS FUSE 16 INSTRUMENT CLUSTER LIGHT SWITCH OFF HEAD PARK ORG/ WIRE PANEL LAMPS SWITCH PROVISION FOR DOME LAMP PROVISION FOR MARKER LAMPS SEAT BELT ALARM MODULE TAIL LPS FUSE 7 TRANSMISSION RANGE INDICATOR LAMP WHT WIRE