Control Unit: Notes
WARNING: This page is about a different car, the 1998 GMC Savana, 1998 Chevrolet Chevy Van, and 1998 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
To identify circuits referenced in the following ground and power tests, use wiring diagram in WIRING DIAGRAMS - 4.3L
article.