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GMC Truck
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2002
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C 2500 Yukon XL 2WD V8-6.0L VIN U
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Repair and Diagnosis
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Powertrain Management
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Transmission Control Systems
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4L80-E/4L85-E Automatic Transmission
4L80-E/4L85-E Automatic Transmission
4L80-E Automatic Transmission Controls Schematics
Valve Controls and Brake Switch
Switch Inputs
Tow/Haul and PNP Switch Inputs
Vehicle Speed Signal and 4WD Low Signal