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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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Locations
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Splice Locations
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S300 - S399
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S301 (Cutaway)
S301 (Cutaway)
In the O2S jumper harness, approximately 77 cm (30 in) from the C105 breakout, toward the O2S pigtail connector