Pinpoint Test L: The Parking, Rear Or License Lamps Are Inoperative

L1 CHECK THE VOLTAGE TO THE HEADLAMP SWITCH
- Disconnect: Headlamp Switch C205.
- Measure the voltage between headlamp switch C205 Pin B2, Circuit 195 (TN/WH), harness side and ground.
  
  Fig 1: Checking Voltage To Headlamp Switch
  Courtesy of FORD MOTOR CO.
- Is the voltage greater than 10 volts?
1. Yes: GO to L2.
2. No: REPAIR the circuit. TEST the system for normal operation.
L2 CHECK CIRCUIT 14 (BN) FOR OPEN
- Measure the resistance between headlamp switch C205 Pin R, Circuit 14 (BN), harness side and ground.
  
  Fig 2: Checking Circuit 14 (BN) For Open
  Courtesy of FORD MOTOR CO.
- Is the resistance less than 5 ohms?
1. Yes: INSTALL a new headlamp switch; REFER to LAMP SWITCH - HEADLAMP . TEST the system for normal operation.
2. No: REPAIR the circuit. TEST the system for normal operation.