Section 17-01: Lighting, Exterior
1994 Mustang Workshop Manual
DIAGNOSIS AND TESTING

Symptom Chart—Headlamps

ConditionPossible SourceAction
  • All Exterior Lamps Inoperative
  • Circuitry open/shorted.
  • Damaged headlamp switch .
  • Blow fuse.
  • One Headlamp Inoperative
  • Circuitry open.
  • Damaged connector.
  • Miniature bulb burned out.
  • One Rear Lamp Inoperative
  • Circuitry open.
  • Miniature bulb burned out.
  • Damaged connector.
  • All Rear Lamps Inoperative, Headlamps OK
  • Circuitry open.
  • Blown fuse.
  • Damaged headlamp switch .