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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 439 (Lighting System) >> Diagnostic Information and Procedures >> Backup Lamps Malfunction >> Circuit/System Verification

Circuit/System Verification

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Command the Backup Lamps ON and OFF with a scan tool. The backup lamps should turn ON and OFF when commanded.

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