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GMC Truck
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2004
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Sierra 1500 4WD V8-4.8L VIN V
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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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Headlamps Always On - Low or High Beam
Headlamps Always On - Low or High Beam
Steps 1 - 8:
Steps 9 - 15:
Steps 16 - 18: