Courtesy lamps circuit, overhead console circuit for GMC Suburban K1500 (1985-1999)

BLK WIRE COURTESY LIGHTS CIRCUIT FRONT DOME LAMP GROUND (ON #1 ROOF BOW) FRONT DOME/ READING LAMPS ORG/ WIRE OVERHEAD CONSOLE LAMPS REAR DOME LAMP GROUND (ON #1 ROOF BOW) REAR DOME READING LAMPS WHT WIRE