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GMC Truck
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2000
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S15/T15 Sonoma P/U 2WD V6-4.3L VIN W
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Relays and Modules - Computers and Control Systems
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Body Control Module
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Description and Operation
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Circuit Description
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Interior Illumination
Interior Illumination
Interior lights will illuminate continuously if the interior light defeat switch is OFF and any door is OPENED, or if the dimmer switch is ROTATED to the ON position for interior illumination.