Operation CHARM
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GMC Truck
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1991
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Suburban 1/2 Ton 2WD V8-350 5.7L
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Repair and Diagnosis
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Powertrain Management
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Computers and Control Systems
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Vehicle Speed Sensor Signal Buffer
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Locations
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With Manual Transmission
With Manual Transmission
DIGITAL RATIO ADAPTER CONTROLLER (DRAC) MODULE
Cruise Control System Components:
The Digital Ratio Adapter Controller
(DRAC)
Module is located under LH side of the Instrument Panel
(I/P)
Near Steering Column.