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Home >> Chevrolet >> 2006 >> TrailBlazer 6.0 H, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 249 (Lighting Systems) >> Diagnostic Information and Procedures >> DTC B2580 >> Circuit/System Verification

Circuit/System Verification

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

Ignition ON, turn the headlamps ON. The headlamps should illuminate.

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