Pinpoint Test B: The RH Front, LH Rear And RH Rear Power Windows Are Inoperative

NOTE: Use the correct probe adapter(s) from the Flex Probe Kit when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

B1 CHECK ALL WINDOW OPERATION FROM THE MASTER WINDOW CONTROL SWITCH
NOTE: Make sure the window lock-out switch is in the UNLOCK position.
- Ignition ON.
- Attempt to operate each window from the master window control switch.
- Does the RH front, LH rear or RH rear window operate from the master window control switch?
- Yes : GO to Symptom Chart to diagnose the inoperative window(s).
- No : GO to B2.
B2 CHECK THE MASTER WINDOW CONTROL SWITCH GROUND CIRCUIT FOR AN OPEN
- Ignition OFF.
- Disconnect: Master Window Control Switch C504C.
- Measure the resistance between master window control switch C504C-4, circuit GD143 (BK/VT), harness side and ground.
  
  Fig 1: Measuring Resistance Between Master Window Control Switch C504C-4, Circuit GD143 (BK/VT), Harness Side And Ground
  Courtesy of FORD MOTOR CO.
- Is the resistance less than 5 ohms?
- Yes : INSTALL a new master window control switch. REFER to Window Control Switch . TEST the system for normal operation.
- No : REPAIR the circuit. CARRY OUT the window motor initialization procedure. REFER to Window Motor Initialization . TEST the system for normal operation.