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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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Relays and Modules
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Relays and Modules - Lighting and Horns
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Trailer Lighting Module
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Technical Service Bulletins
Trailer Lighting Module: Technical Service Bulletins
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Electrical - Trailer Brakes Apply With Headlamps ON
All Technical Service Bulletins
Electrical - Trailer Brakes Apply With Headlamps ON