Wiring Systems - Testing, Diagnosis & Repair

• Diagnostic Information and Procedures
  • Where to Find Electrical Schematics
  • Passenger Car Zoning
  • Electrical Symbols
  • General Electrical Diagnosis Procedures
    • 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
      • Round Wire Connectors
        • Notes
        • Flat Wire (Dock and Lock) Connectors
  • Inducing Intermittent Fault Conditions
    • Notes
    • Salt Water Spray
    • High Temperature Conditions
      • Tools Required
    • Low Temperature 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
  • Heated Oxygen Sensor (HO2S) 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 Wire Pigtail Repair
    • SIR/SRS Wire Repair
    • SIR/SRS System Wire Splice Repair
    • Connector Position Assurance (CPA)
    • Terminal Position Assurance (TPA)
  • Connector Repairs
  • Connector Position Assurance Locks
  • Terminal Position Assurance Locks
  • Push to Seat Connectors
    • Terminal Removal
    • Terminal Repair
    • Reinstalling Terminal
  • Pull to Seat Connectors
    • Terminal Removal
    • Terminal Repair
    • Terminal Installation
  • Weather Pack Connectors
  • Repairing Connector Terminals
    • Tools Required
• Schematic and Routing Diagrams
  • Power and Grounding Schematic Icons
  • Power Distribution Schematics
  • Ground Distribution Schematics
  • Harness Routing Views
• Component Locator
  • Master Electrical Component List
  • Power and Grounding Component Views
  • Power and Grounding Connector End Views
  • Inline Harness Connector End Views
• Repair Instructions
  • Relay Replacement (Within an Electrical Center)
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Relay Replacement (Attached to a Wire Harness)
    • Removal Procedure
    • Installation Procedure
• Special Tools and Equipment
  • Special Tools