Operation CHARM
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GMC Truck
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1988
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R 1500 P/U 2WD L6-292 4.8L
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Repair and Diagnosis
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Transmission and Drivetrain
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Automatic Transmission/Transaxle
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Service and Repair
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Procedures
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Detent/T.V. Cable Adjust
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With Accelerator Pedal Mounted Switch
With Accelerator Pedal Mounted Switch
1. Push detent switch plunger fully forward. This will preset the switch.
2. Detent switch will automatically adjust when accelerator pedal is depressed to wide open throttle position.