Headlight circuit, motor home chassis with dual headlamps without drl for GMC Forward Control P3500 (1985-1999)

BLK WIRE BLK/WHT WIRE FOR LEFT HEADLAMP) GRN WIRE HEAD PARK HEADLAMPS SWITCH HOT AT ALL TIMES INSTRUMENT CLUSTER HI BEAM INDICATOR LEFT HEAD- LAMP HI HI LO LEFT HIGH BEAM HEAD- LAMP LO HEADLAMPS DIMMER SWITCH LT GRN WIRE LT LT OFF RED WIRE RIGHT HEAD LAMP LO RIGHT HIGH BEAM HEAD- LAMP TAN WIRE YEL WIRE