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GMC Truck
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2001
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Savana 1/2 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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S300 - S399
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S321
S321
In the auxiliary heater and A/C harness, approximately
13 cm (5 in)
from the rear auxiliary HVAC control module breakout, toward the front HVAC control module