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GMC Truck
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1994
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S15/T15 Jimmy 4WD V6-262 4.3L VIN Z
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Repair and Diagnosis
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Powertrain Management
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Transmission Control Systems
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Relays and Modules - Transmission and Drivetrain
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Relays and Modules - Transfer Case
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Control Module
Control Module
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Description and Operation
Electric 4WD Shifting
TCCM Power and Ground
TCCM Inputs and Outputs
General Description
TCCM Inputs
2HI to 4HI Selector Switch Input
4HI to 2HI Selector Switch Input
2HI to 4HI to 4LO Selector Switch Input
Park/Neutral Position Switch Inputs
Clutch Safety Switch Inputs
Vehicle Speed Input
Encoder Switch Inputs
Diagnostic Enable Input
TCCM Outputs
Electric Shift Motor Outputs
4HI and 4LO Status Lamps Outputs
Locations
Service and Repair
Diagrams
