Ignition Systems: Notes
WARNING: This page is about a different car, the 2003 GMC Savana and 2003 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
For additional ignition system and component diagnosis, see IGNITION SYSTEMS
in SYSTEM & COMPONENT TESTING - 4.3L CHEVY EXPRESS & SAVANA article.