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GMC Truck
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2003
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C 2500 Yukon XL 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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Backup Lamps Inoperative
Backup Lamps Inoperative
Steps 1-4:
Steps 5-10:
