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GMC Truck
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1999
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Savana 1 Ton Van V8-5.7L VIN R
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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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S412
S412
In the rear A/C harness, approximately 13 cm (5 in) from the blower motor resistor/relay breakout, toward the C408 breakout