Pinpoint Test S: The Individual Reversing Lamp Is Inoperative

S1 CHECK REVERSING LAMPS GROUND
- Key in OFF position.
- Disconnect: Inoperative Reversing Lamp.
- Measure the resistance between LH reversing lamp C451, Circuit 1205 (BK), or RH reversing lamp C461, Circuit 1205 (BK), harness side and ground.
  
  Fig 1: Checking Reversing Lamps Ground
  Courtesy of FORD MOTOR CO.
- Is the resistance less than 5 ohms?
1. Yes: REPAIR Circuit 140 (BK/PK) for open. TEST the system for normal operation.
2. No: REPAIR the circuit. TEST the system for normal operation.