Isuzu Ascender 2003-05

Ignition Switch

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Removal & Installation



  1. Disconnect the negative battery cable.
  2.  
  3. Disable the SIR system.
  4.  
  5. Remove the hush and knee bolster.
  6.  
  7. Remove the steering column trim covers.
  8.  
  9. With the key installed, turn the key to the RUN position.
  10.  
  11. Install an allen wrench into the hole on top of the lock cylinder housing.

    Click image to see an enlarged view

    Fig. Lock cylinder and housing

  12.  
  13. Push down on the allen wrench to release the tab on the lock cylinder inside the lock cylinder housing.
  14.  
  15. Slide the lock cylinder out of the lock cylinder housing.
  16.  
  17. Disconnect the passlock and key buzzer from the lock cylinder housing.
  18.  
  19. Insert J42759 into the lock cylinder housing to release the tabs on the ignition switch.
  20.  
  21. Pull the ignition switch out of the lock cylinder housing.
  22.  
  23. Disconnect the connector from the ignition switch.
  24.  

To install:


NOTE
The gears between the ignition switch and the lock cylinder housing must be in the correct position. Failure to do so will cause a misalignment of the gears in the ignition switch and the lock cylinder housing, which may result in a NO START or BATTERY DRAIN.

  1. Verify the alignment of the gear (1) in the ignition switch (2). If gear (1) is not in position shown, turn gear in ignition switch (2) until you reach the correct position.

    Click image to see an enlarged view

    Fig. Ignition switch

  2.  
  3. Use a screwdriver to rotate the lock cylinder housing gear counterclockwise until it hits a stop.
    NOTE
    In order to reach a stop while rotating the lock cylinder housing gear you MUST push and hold in the solenoid on the electric park lock.

  4.  
  5. Connect the connector to the ignition switch.
  6.  
  7. Insert the ignition switch into the lock cylinder housing. The tabs (2) on the ignition switch MUST be seated inside the lock cylinder housing (1) for proper installation.

    Click image to see an enlarged view

    Fig. Ignition switch installation

  8.  
  9. Use a screwdriver to rotate the lock cylinder housing gear clockwise to the START position - allowing it to spring return into the RUN position.
  10.  
  11. Align the lock cylinder and install the lock cylinder into the lock cylinder housing.
  12.  
  13. Connect the passlock and key buzzer into the lock housing.
  14.  
  15. Install the steering column trim covers.
  16.  
  17. Install the hush and knee bolster.
  18.  
  19. Enable the SIR system.
  20.  
  21. Connect the negative battery cable.
  22.  

 
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