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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls And Fuel - 6.2L - Troubleshooting & Diagnosis >> Electronic Ignition (EI) System Diagnosis >> Circuit/System Verification

Circuit/System Verification

Observe the Engine Controls Schematic for the ignition module/coils, and review the Ignition System Specifications to verify the following concerns: