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GMC
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1991
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Value Van 7.4 N
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Repair and Diagnosis
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Transmission
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Automatic Trans
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Diagnosis - A/T
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Diagnostic Flow Charts (Cars)
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Chart C-8, Torque Converter Clutch Electrical Diagnosis - 3.1L PFI A & J Bodies (2 Of 2)
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2nd Gear
2nd Gear
2nd gear switch closed
2nd gear signal switch opens
3rd gear signal switch closed