Astro, Safari 1997-2005

Ignition Module

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Removal & Installation



  1. Remove the engine cover.
  2.  
  3. Disconnect the electrical connector (3).
  4.  
  5. Remove the screws (4) holding the ignition control module (2) and the heat sink (1) to the bracket.
  6.  
  7. Remove the ignition control module and the heat sink.

    Click image to see an enlarged view

    Fig. Exploded view of ignition module-4.3L engine

  8.  

To install:

  1. Install the ignition control module (2) and the heat sink (1) on the bracket with the screws (4).
    1. Tighten the screws to 31 inch lbs. (3.5 Nm).
    2.  

  2.  
  3. Reconnect the electrical connectors (3).
  4.  
  5. Install the engine cover.
  6.  

 
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