Ignition Coil Power Source
WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 1997 Pontiac Grand Prix, 1997 Pontiac Firebird, 1997 Pontiac Bonneville, 1997 Oldsmobile Regency, and 1997 Oldsmobile LSS. However, it is still accessible from the selected car via links, so may be relevant.
Turn ignition on. Check for battery voltage on ignition positive voltage circuit to ignition control module. If battery voltage is not present, check for blown ignition fuse. If fuse is not blown, check for open between fuse and ignition control module.