Ignition Systems
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:
Ignition system on bi-fuel vehicles is the same as gasoline vehicles. See IGNITION SYSTEMS
in CHEVY EXPRESS & SAVANA - GASOLINE article.