LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2002 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 107 (Engine Control System - Basic Diagnostic Procedures) >> Basic Ignition System Checks >> IDI (2.4L) >> Ignition Coil Power Source
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Ignition Coil Power Source

WARNING: This page does not describe the selected car, but rather 31 other vehicles, including the 2002 Saturn SL2, 2002 Saturn SL1, 2002 Saturn SL, 2002 Saturn SC2, and 2002 Saturn SC1. However, it is still accessible from the selected car via links, so may be relevant.

Turn ignition on. Check battery feed circuit at ignition control module for battery voltage. If battery voltage is not present, check ignition fuse. If fuse is not blown, check for open in circuit between fuse and ignition control module.