Operation CHARM
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GMC Truck
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1989
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S15/T15 4WD P/U V6-262 4.3L
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Repair and Diagnosis
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Diagrams
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Vacuum and Vapor Hose Diagrams
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Cruise Control
Cruise Control
Fig. 41 Vacuum hose routing. Models w/accumulator & check valve (models less accumulator and/or check valve similar):
Fig. 56 Vacuum hose routing. 1988-91 S/T Series w/4.3L V6 engine:
