Wiring Systems And Power Management

• Specifications
  • Fastener Tightening Specifications
• Schematic and Routing Diagrams
  • Power and Grounding Schematic Icons
  • Power Distribution Schematics
  • Power Moding Schematics
  • Ignition Lock Schematics
  • Ground Distribution Schematics
  • Harness Routing Views
• Component Locator
  • Master Electrical Component List
  • Power and Grounding Component Views
  • Power and Grounding Connector End Views
    • Ignition Switch
    • Ignition Lock Cylinder Control Actuator
  • Electrical Center Identification Views
    • Fuse Block - Underhood Label
    • Fuse Block - Underhood Top View
    • Fuse Block - Underhood Bottom View
    • Fuse Block - Underhood C1
    • Fuse Block - Underhood C2
    • Fuse Block - Underhood C3
    • Fuse Block - Underhood C4
    • Fuse Block - Underhood C5
    • Fuse Block - Underhood C6
    • Fuse Block - Underhood C7
    • Fuse Block - Underhood C9
    • Fuse Block - I/P Label Usage
    • Fuse Block - I/P Top View
    • Fuse Block - I/P Bottom View
    • Fuse Block - I/P C1
    • Fuse Block - I/P C2
    • Fuse Block - I/P C3
    • Fuse Block - I/P C4
    • Relay Block - I/P Label
    • Relay Block - I/P Top View
    • Relay Block - I/P Bottom View
    • Relay Block - I/P C1
    • Relay Block - I/P C3
    • Relay Block - I/P C4
    • Relay Block - I/P C7 (Trailer Wiring)
    • Relay Block - I/P C7 (USB/USC/UNR)
    • Relay Block - I/P C10
    • Junction Block - I/P Top View
    • Junction Block - I/P Bottom View
    • Junction Block - Wire Entry
    • Junction Block - I/P C2
    • Junction Block - I/P C4
    • Junction Block - I/P C5
    • Junction Block - I/P C6
    • Junction Block - I/P C7
    • Junction Block - I/P C8
  • Splice Pack Connector End Views
    • Splice Pack SP205
    • Splice Pack SP206
    • Splice Pack SP207
    • Splice Pack SP320 (SUT)
    • Splice Pack SP410 (Except SUT)
  • Inline Harness Connector End Views
    • C100 I/P Harness to Engine Harness
    • C101 I/P Harness to Chassis Harness
    • C102 Chassis Harness to I/P Harness
    • C103 I/P Harness to Forward Lamp Harness
    • C104 I/P Harness to Chassis Harness
    • C105 I/P Harness to Chassis Harness (Except UNR)
    • C105 I/P Harness to Grille Brushguard Lamp Harness (UNR)
    • C106 Chassis Harness to Engine Harness
    • C107 Dash Jumper Harness to Rear Vision Harness (UVC)
    • C108 SE Power Harness to Dash Jumper Harness (WS2)
    • C115 Engine Harness to Knock Sensor Jumper Harness
    • C148 Engine Harness to Odd Ignition Coil Harness
    • C158 Engine Harness to Even Ignition Coil Harness
    • C200 Body Harness to I/P Harness
    • C201 Steering Column Harness to I/P Harness (w/o WS2)
    • C201 I/P Overlay Harness to I/P Harness (WS2)
    • C202 I/P Harness to Body Harness
    • C203 Steering Column Harness to I/P Harness
    • C204 Mirror Jumper Harness to Dash Jumper Harness (UVC)
    • C205 Dash Jumper Harness to I/P Overlay Harness (WS2)
    • C206 Steering Column Harness to I/P Overlay Harness (WS2)
    • C210 Headliner Harness to I/P Harness
    • C211 Body Crossrail Roof Lamp Harness to Body Relay Harness (USB/USC/USD)
    • C212 Body Crossrail Roof Lamp Harness to Body Relay Harness (USB/USC)
    • C212 Roof Lamp Jumper Harness to Roof Lamp Body Harness (USD)
    • C277 Steering Column Harness to Steering Wheel Harness
    • C298 Body Harness to I/P Harness
    • C300 Body Harness to Midgate Harness (SUT)
    • C310 Body Harness to Left Rear Door Harness
    • C311 Body Cross Rail Harness to Cross Rail Harness (USB/USC)
    • C311 Roof Lamp Jumper Harness to Light Bar Harness (USD)
    • C320 Body Harness to Left Rear Seat Harness
    • C325 Body Harness to Driver Seat Harness
    • C326 Seat Jumper Harness to Seat Harness
    • C327 Seat Jumper Harness to Seat Harness
    • C328 Seat Motor Jumper Harness to Seat Jumper Harness
    • C329 Seat Motor Jumper Harness to Seat Jumper Harness
    • C330 Heated Seat Jumper Harness to Seat Jumper Harness
    • C333 Lumbar/Bolster Harness to Seat Harness
    • C350 I/P Harness to Console Harness
    • C355 Body Harness to Console Harness
    • C362 Control Box Harness to FM Modulator Harness
    • C375 Body Harness to Passenger Seat Harness
    • C376 Seat Motor Jumper Harness to Passenger Seat Harness
    • C377 Heated Seat Jumper Harness to Passenger Seat Harness
    • C378 Lumbar/Bolster Harness to Passenger Seat Harness
    • C380 Body Harness to Right Rear Seat Harness
    • C390 Body Harness to Right Rear Door Harness
    • C400 Cargo Bed Harness to Chassis Harness (SUT)
    • C401 Spare Tire Jumper Harness to Chassis Harness
    • C402 Cargo Bed Harness to Chassis Harness (SUT)
    • C420 Body Harness to Liftgate Jumper Harness (Except SUT)
    • C450 Chassis Harness to Air Suspension Harness (ZM6)
    • C451 Chassis Harness to Air Suspension Harness (ZM6)
    • C900 Liftgate Harness to Liftgate Jumper Harness (Except SUT)
• Diagnostic Information and Procedures
  • Diagnostic Starting Point - Wiring Systems and Power Management
  • Scan Tool Data Definitions
  • Scan Tool Data List
  • DTC B1440
    • Circuit Description
    • DTC Descriptor
    • Conditions for Running the DTC
    • Conditions for Setting the DTC
    • Action Taken When the DTC Sets
    • Conditions for Clearing the DTC
  • Symptoms - Wiring Systems
    • Notes
    • Visual/Physical Inspection
    • Intermittent
    • Symptom List
  • Ignition Can/Cannot Be Turned Off with Transmission in Any Gear
    • Circuit Description
    • System Operation
  • Power Mode Mismatch
    • Circuit Description
    • Test Description
  • Retained Accessory Power (RAP) Inoperative
  • Retained Accessory Power (RAP) On After Timeout
  • Utility/Van Zoning
  • Electrical Symbols
  • General Electrical Diagnosis
    • Basic Knowledge Required
  • Checking Aftermarket Accessories
  • Circuit Testing
  • Using Connector Test Adapters
  • Probing Electrical Connectors
    • Notes
    • Frontprobe
    • Backprobe
  • Troubleshooting with a Digital Multimeter
  • Troubleshooting with a Test Lamp
    • Tools Required
  • Using Fused Jumper Wires
    • Tools Required
  • Measuring Voltage
  • Measuring Voltage Drop
  • Measuring Frequency
  • Testing for Continuity
    • Notes
    • With a DMM
    • With a Test Lamp
  • Testing for Short to Ground
    • Notes
    • With a DMM
    • With a Test Lamp
    • Fuse Powering Several Loads
  • Testing for a Short to Voltage
  • Testing for Intermittent Conditions and Poor Connections
    • Notes
    • Testing for Proper Terminal Contact
      • Notes
      • Testing for Proper Terminal Contact in Bussed Electrical Centers (BEC)
        • Notes
        • Flat Wire (Dock and Lock) Connectors
    • Control Module/Component Voltage and Grounds
    • Temperature Sensitivity
    • Electromagnetic Interference (EMI) and Electrical Noise
    • Incorrect Control Module
  • Inducing Intermittent Fault Conditions
    • Tools Required
    • Salt Water Spray
    • High Temperature Conditions
    • Low Temperature Conditions
    • Duplicating Failure Conditions
  • Testing for Electrical Intermittents
  • Scan Tool Snapshot Procedure
  • Circuit Protection - Fuses
  • Circuit Protection - Circuit Breakers
  • Circuit Protection - Fusible Links
    • Notes
    • Repairing a Fusible Link
  • Wiring Repairs
  • Repairing Damaged Wire Insulation
  • Flat Wire Repairs
  • GMLAN Wiring Repairs
    • Tools Required
      • Notes
      • GMLAN Repairs
    • GMLAN Connector Terminal Repair
    • GMLAN Wire Repair
  • High Temperature Wiring Repairs
    • Tools Required
    • High Temperature Wiring
    • Identifying High Temperature Wiring
    • High Temperature Wire Repair
  • Heated Oxygen Sensor Wiring Repairs
    • Tools Required
  • Splicing Copper Wire Using Splice Clips
    • Notes
    • Tools Required
  • Splicing Copper Wire Using Splice Sleeves
    • Tools Required
  • Splicing Twisted or Shielded Cable
  • Splicing Inline Harness Diodes
  • SIR/SRS Wiring Repairs
    • Tools Required
      • Notes
      • SIR/SRS Connector Repair (Plastic Body and Terminal Metal Pin)
    • SIR/SRS Component Wire Pigtail Repair
    • SIR/SRS Wire Repair
    • Connector Position Assurance (CPA)
    • Terminal Position Assurance (TPA)
  • Connector Repairs
    • Notes
    • Connector Anatomy
    • Identifying Connectors
  • Connector Position Assurance Locks
  • Terminal Position Assurance Locks
  • AFL/EPC Connectors
    • Tools Required
    • Removal Procedure
    • Repair Procedure
  • Bosch Connectors (0.64)
    • Tools Required
    • Terminal Removal Procedure
    • Terminal Repair Procedure
    • Terminal Replacement Procedure
  • Bosch Connectors (2.8 JPT)
    • Tools Required
    • Terminal Removal Procedure
    • Terminal Repair Procedure
  • Bosch Connectors (BSK)
    • Tools Required
    • Terminal Removal Procedure
    • Terminal Repair Procedure
  • Bosch Connectors (ECM)
    • Tools Required
    • Removal Procedure
    • Repair Procedure
  • Delphi Connectors (Micro .64)
    • Tools Required
    • Removal Procedure
    • Repair Procedure
  • Delphi Connectors (Micro-Pack 100W)
    • Tools Required
    • Terminal Removal Procedure
    • Terminal Repair Procedure
    • Terminal Replacement Procedure
  • Delphi Connectors (Pull To Seat)
    • Tools Required
    • Terminal Removal
    • Terminal Repair
    • Terminal Installation
  • Delphi Connectors (Push To Seat)
    • Tools Required
    • Terminal Removal
    • Terminal Repair
    • Reinstalling Terminal
  • Delphi Connectors (Weather Pack)
    • Tools Required
  • Delphi Connectors (12-Way)
    • Tools Required
    • Removal Procedure
    • Repair Procedure
  • FCI Connectors
    • Tools Required
    • Removal Procedure
    • Repair Procedure
  • JST Connectors
    • Tools Required
    • Removal Procedure
    • Repair Procedure
  • Kostal Connectors
    • Tools Required
    • Removal Procedure
    • Repair Procedure
  • Molex Connectors
    • Tools Required
    • Terminal Removal Procedure
    • Terminal Repair Procedure
    • Terminal Replacement Procedure
  • Sumitomo Connectors
    • Tools Required
    • Terminal Removal Procedure
    • Terminal Repair Procedure
    • Terminal Replacement Procedure
  • Tyco/AMP Connectors (025 Cap)
    • Tools Required
    • Terminal Removal Procedure
    • Terminal Repair Procedure
  • Tyco/AMP Connectors (CM 42-Way)
    • Tools Required
    • Removal Procedure
    • Terminal Repair Procedure
  • Tyco/AMP Connectors (Sensor)
    • Tools Required
    • Terminal Removal Procedure
    • Terminal Repair Procedure
  • Tyco/AMP Connectors (43-Way)
    • Tools Required
    • Removal Procedure
    • Repair Procedure
  • Tyco/AMP Connectors (Door Module)
    • Tools Required
    • Removal Procedure
    • Repair Procedure
  • Yazaki Connectors (2-Way)
    • Tools Required
    • Terminal Removal Procedure
    • Terminal Repair Procedure
  • Yazaki Connectors (16-Way)
    • Tools Required
    • Removal Procedure
    • Repair Procedure
  • Repairing Connector Terminals
    • Tools Required
  • Ignition Key Cannot Be Removed from the Ignition Lock Cylinder
  • Ignition Key Cannot Turn or Sticks in Any Position
• Repair Instructions
  • Relay Replacement (Attached to Wire Harness)
    • Removal Procedure
    • Installation Procedure
  • Relay Replacement (Within an Electrical Center)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Underhood Electrical Center or Junction Block Replacement
    • Removal Procedure
    • Installation Procedure
  • Instrument Panel Electrical Center or Junction Block Replacement - Left Side
    • Removal Procedure
    • Installation Procedure
  • Instrument Panel Electrical Center or Junction Block Replacement - Right Side
    • Removal Procedure
    • Installation Procedure
  • Ignition Lock Cylinder Case Replacement
    • Removal Procedure
    • Installation Procedure
  • Ignition Lock Cylinder Replacement
    • Removal Procedure
    • Installation Procedure
  • Ignition and Start Switch Replacement
    • Tools Required
    • Removal Procedure
    • Installation Procedure
• Description and Operation
  • Power Mode Description and Operation
    • Serial Data Power Mode
    • Fail-safe Operation
      • Notes
      • Serial Data Messages
      • Discrete Ignition Signals
  • Retained Accessory Power (RAP) Description and Operation
    • Serial Data Control of Retained Accessory Power (RAP)
    • Circuit Control of Retained Accessory Power (RAP)
• Special Tools and Equipment
  • Special Tools