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GMC Truck
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1999
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Savana 1 Ton Van V8-454 7.4L VIN J SFI
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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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S154
S154
In the engine harness, approximately 3 cm (1 in) from the MAF sensor breakout, toward the ECT sensor breakout