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GMC
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2007
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Sierra Classic 1500 4WD V8-5.3L Hybrid
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Repair and Diagnosis
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Lighting and Horns
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Testing and Inspection
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Symptom Related Diagnostic Procedures
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Headlamp Low or High Beams Always On
Headlamp Low or High Beams Always On
Step 1 - Step 15:
Step 16 - Step 18: