Why do headlights only work on high beam?

Asked by Jun 21, 2014 at 12:09 AM about the 2007 Chevrolet TrailBlazer LT

Question type: Maintenance & Repair

Headlights are out except on high beam. What is the cause?

1 Answer

61,115

Etheir,both head lights are blowed,or relay switch bad,or dimmer switch bad.

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