Interior light circuit, motor home chassis for GMC Vandura P3500 (1985-1997)

BLK WIRE BRN WIRE DIM HIGH DK GRN WIRE DOME LAMP SWITCH GRY WIRE HEADLAMPS SWITCH HORN DIMMER FUSE HOT AT ALL TIMES HOT WITH PARK OR HEADLAMP SWITCH ON I/P FUSE BLOCK INSTR LPS FUSE INSTRUMENT CLUSTER INSTRUMENT PANEL DIMMER SWITCH LIGHT SWITCH OFF HEAD PARK ORG/ WIRE PANEL LAMPS SWITCH PROVISION FOR DOME LAMP PROVISION FOR ROOF MARKER LAMPS TAIL LPS FUSE TRANS- MISSION RANGE INDICATOR LAMP WHT WIRE