Chevy Express & SAVANA: 2001
WARNING: This page is about a different car, the 2002 GMC Savana, 2002 Chevrolet Chevy Express, 2001 GMC Savana, and 2001 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
For Anti-theft system wiring see ANTI-THEFT in SYSTEM WIRING DIAGRAMS article in ELECTRICAL.