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Home >> Cadillac >> 2006 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 1005 (Lighting Systems) >> Diagnostic Information and Procedures >> DTC B3600 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Ignition ON, headlamp switch to HEAD, vary the interior lamp dimming switch from dim to full bright. The I/P lamps should dim and then become full bright.