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2004
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Sierra 3500 2WD V8-8.1L VIN G
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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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Daytime Running Lamps (DRL) - Always On
Daytime Running Lamps (DRL) - Always On
Steps 1 - 2:
Steps 3 - 10:
