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GMC Truck
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1989
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C 3500 Truck 2WD V8-454 7.4L
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Repair and Diagnosis
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Powertrain Management
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Emission Control Systems
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Diagrams
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Vacuum and Vapor Hose Diagrams
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1 Ton Series (Calif)
1 Ton Series (Calif)
Vacuum & Vapor Hose Diagram:
