Chart #4 Using Twilight Sentinel Control

Chart #4 Using Twilight Sentinel Control: Headlights, Tail, Front Park & Opera Lamps Are Inoperative, Headlight SW Operates Normally (Part 1 Of 2):

Chart #4 Using Twilight Sentinel Control: Headlights, Tail, Front Park & Opera Lamps Are Inoperative, Headlight SW Operates Normally (Part 2 Of 2):