Operation CHARM
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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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Grommets
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P400 - P499
P400 - P499
Trailer Wiring:
P400:
In the right rear corner of the interior of the cabin, behind the rear wheel house, on the floor board
