Operation CHARM
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GMC Truck
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1999
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C 2500 Truck 2WD V8-454 7.4L VIN J SFI
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Repair and Diagnosis
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Lighting and Horns
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Fog/Driving Lamp
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Adjustments
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General Information
General Information
FOG LAMP ASSEMBLIES
Vehicles equipped with Fog lamp Assemblies can only be adjusted vertically.