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Chevy Truck
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1999
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Express 3/4 Ton Van V6-4.3L VIN W
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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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S304
S304
In the O2S jumper harness, approximately 22 cm (9 in) from the C105 breakout, toward the O2S pigtail connector