Pinpoint Test E: The Transmission Control Lever Illumination Is Inoperative

E1 CHECK CIRCUIT 29S-LK21 (OG/BK) FOR AN OPEN
- Key in OFF position.
- Disconnect: Transmission Range Selector Lever C3233.
- Place the headlamp switch in the parking lamps ON position.
- Rotate the instrument panel dimmer switch to the full illumination position.
- Measure the voltage between the transmission range selector lever C3233 pin 4, circuit 29S-LK21 (OG/BK), harness side and ground.
  
  Fig 1: Measuring Voltage Between Transmission Range Selector Lever C3233 Pin 4, Circuit 29S-LK21 (OG/BK), Harness Side And Ground
  Courtesy of FORD MOTOR CO.
- Is the voltage greater than 10 volts?
  - Yes : REPAIR circuit 31-TA34 (BK). TEST the system for normal operation.
  - No : REPAIR circuit 29S-LK21 (OG/BK). TEST the system for normal operation.