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GMC Truck
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1996
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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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Instrument Panel, Gauges and Warning Indicators
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Testing and Inspection
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Component Tests and General Diagnostics
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Cluster Illumination
Cluster Illumination
The Cluster Illumination Lamps voltage is supplied by the Panel Dimmer Switch through the ILLUM Fuse 21 and the GRY (8) wire. Ground for the lamps is provided through the BLK (150) and BLK/WHT (151) wires.