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GMC Truck
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2001
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Savana 3/4 Ton Van V6-4.3L VIN W
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Repair and Diagnosis
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Diagrams
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Splices
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S400 - S499
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S421
S421
In the LH body harness approximately
18 cm (7 in)
from the center dome lamp breakout, toward the center high mounted stop lamp connector C419 breakout