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GMC Truck
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2001
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C 3500 HD Truck 2WD V8-8.1L VIN G
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Repair and Diagnosis
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Diagrams
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Splices
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S100 - S199
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S143
S143
Engine harness, approx.
4 cm (1.6 in)
from LH HO2S breakout, toward the engine oil pressure breakout