Driveline/Axle

All Component Locator

• Rear Axle Component Views
• Rear Axle Components

All Description and Operation

• Differential Lock Circuit Description
• Differential Lock System Description
• Differential Lock System Operation
• Two Speed Rear Axle Circuit Description
• Two Speed Rear Axle Shift System Description
• Two Speed Rear Axle Shift System Operation

All Visual Identification

• Rear Axle Connector End Views

Diagnostic Procedures

• Differential Lock Indicator Inoperative
• Differential Lock Inoperative
• Differential Lock On at All Times
• Two Speed Rear Axle Inoperative
• Two Speed Rear Axle Shift Motor Diagnosis
• Two Speed Rear Axle System Check

Electrical/Electronic Schematic Diagrams

• Differential Lock Schematics
• Rear Axle Schematic Icons
• Rear Axle Schematic References
• Two-Speed Rear Axle Schematics

Mechanical Specifications

• Fastener Tightening Specifications

Other Specifications

• GM SPO Group Numbers

Removal, Installation, and Replacement

• Differential Lock Switch Replacement
• Two Spd R/Axle Shft Dash Panel Switch Replacement
• Two Speed Rear Axle Shift Control Switch Replacement
• Two Speed Rear Axle Shift Motor Relay Replacement
• Two Speed Rear Axle Shift Motor Replacement