Ignition Coil Power Source
WARNING: This page does not describe the selected car, but rather 15 other vehicles, including the 2001 Pontiac Montana, 2001 Pontiac Aztek, 2001 Oldsmobile Silhouette, 2001 Oldsmobile Bravada, and 2001 GMC Sonoma. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
DO NOT insert DVOM leads into ignition coil connectors. Connector terminals may be damaged. When using DVOM, ensure lead contacts front edge of terminals only.
Turn ignition on. Check ignition positive voltage circuit of ignition control module for battery voltage. If battery voltage is not present, check fuse for ignition control module circuit. If fuse is not open, check for open in circuit between fuse and ignition control module.