Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSGMC2020ACADIA SLREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 372 (WIRE AND CONNECTOR REPAIR)
2020 GMC Acadia SL
Section 372 (Wire And Connector Repair)
2020 GMC Acadia SLSECTION Section 372 (Wire And Connector Repair)
WARNING: This page is about a different car, the 2023 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.
- Diagnostic Information and Procedures
- General Electrical Diagnosis
- Checking Aftermarket Accessories
- Using Connector Test Adapters
- Probing Electrical Connectors
- Troubleshooting with a Digital Multimeter
- Troubleshooting with a Test Lamp
- Using Fused Jumper Wires
- Measuring Voltage
- Measuring Voltage Drop
- Measuring Frequency
- Testing Ground and Low Reference Circuits
- Testing for Continuity
- Testing for Short to Ground
- Testing for a Short to Voltage
- Inducing Intermittent Fault Conditions
- Testing for Electrical Intermittents
- Scan Tool Snapshot Procedure
- Circuit Protection - Fuses
- Circuit Protection - Circuit Breakers
- Circuit Protection - Fusible Links
- Sealed Weather Pack Connector Cleaning
- Repair Instructions
- Repairing Damaged Wire Insulation
- Coaxial Cable Repairs
- Flat Wire Repairs
- Folded-Over Wire Repair
- Serial Data Circuit Wiring Repairs
- Heated Oxygen Sensor Wiring Repairs
- High Temperature Wiring Repairs
- SIR/SRS Wiring Repairs
- Splicing Inline Harness Diodes
- Splicing Twisted or Shielded Cable
- Wire to Wire Repair
- Connector Position Assurance Locks
- Terminal Position Assurance Locks
- AFL/EPC Connectors
- Bosch Connectors (0.64)
- Bosch Connectors (BSK)
- Bosch Connectors (2.8 JPT)
- Bosch Connectors (ECM)
- Delphi Connectors (Weather Pack)
- Delphi Connectors (Push to Seat)
- Delphi Connectors (Pull to Seat)
- Delphi Connectors (Micro Pack 100W)
- Delphi Connectors (Micro.64)
- Delphi Connectors (12-Way)
- Delphi Connectors (Steering Gear)
- FCI Connectors (Lever Lock)
- FCI Connectors (SIR)
- FEP Connectors (Steering Gear)
- JST Connectors
- Kostal Connectors (Glow Plug Control Module)
- Kostal Connectors (Transmission)
- Molex Connectors (Lever Lock)
- Molex Connectors (SIR)
- Sumitomo Connectors
- Tyco/AMP Connectors (CM 42-Way)
- Tyco/AMP Connectors (Sensor)
- Tyco/AMP Connectors (0.25 Cap)
- Tyco/AMP Connectors (43-Way)
- Tyco/AMP Connectors (Door Module)
- Tyco/AMP Connectors (Seat)
- Tyco/AMP Connectors (102-Way Inline)
- Tyco/AMP Connectors (SIR)
- Yazaki Connectors (2-Way)
- Yazaki Connectors (16-Way)
- Repairing Connector Terminals (Terminated Lead Repair)
- Repairing Connector Terminals (Terminal Repair)
- Terminal Removal
- Micro-Quadlock Series Connectors (Female)
- YESC Kaizen Series Connectors (Female)
- 040 Multilock II Series Connectors (Female Version 1)
- 050 CTS Series Connectors (Female)
- 0.5 NANO, 1.2 MCON Series Connectors
- 0.64 Series Connectors (Version 1 Female)
- 0.64 Series Connectors (Version 2 Female)
- 0.64 Series, Sealed Connectors (Female)
- 0.64 Micro-Quadlock Series Connectors (Version 1 Female)
- 0.64 Micro-Quadlock Series Connectors (Version 2 Female)
- 0.64 OCS Series Connectors
- 0.64 YESC Kaizen Series Connectors
- 0.64 GEN-Y, 1.2 MCON Series, Sealed Connectors (Female)
- 0.64, 1.5, 2.8 Series Connectors
- 0.64, 2.8 Series, Sealed Connectors (Female)
- 0.64, 6.3 Series, Sealed Connectors
- 0.64 MTS, 6.3 MCP Series Connectors (Female)
- 0.64 GEN-Y, 2.8, 6.3 MCP Series, Sealed Connectors (Female)
- 1.2 Series Connectors (Female)
- 1.2 Series Connectors (Male)
- 1.2 MCON-CB Series, Sealed Connectors (Female)
- 1.2, 1.5, 2.8 YESC Series Connectors (Female)
- 1.2 MCON, 2.8 MCP Series Connectors (Male)
- 1.2 MCON, 2.8 MCP Series Connectors (Female)
- 1.2, 2.8 Series Connectors (Female)
- 1.2, 2.8 MCP Series Connectors (Female)
- 1.2, 2.8 MCP Series Connectors (Male)
- 1.2 MCON-CB, 1.5, 2.8 YESC Series Connectors (Male)
- 1.2 MCON-CB, 2.8 MCP Series, Sealed Connectors
- 1.2 MCON, 2.8, 6.3 MCP Series Connectors
- 1.2 MCON, 2.8, 6.3 MCP Series Connectors (Female)
- 1.2 OCS, 2.8, 4.8 CTS Series, Sealed Connectors (Female)
- 1.2 OCS, 2.8, 6.3 CTS Series, Sealed Connectors (Male)
- 1.2 OCS, 2.8, 6.3 CTS Series, Sealed Connectors (Female)
- 1.2, 2.8 OCS Series Connectors (Female)
- 1.5 Series, Sealed Connectors
- 1.5, 2.8 Series Connectors (Female)
- 1.5, 2.8 Series Connectors (Male)
- 1.5, 2.8 Series, Sealed Connectors (Male)
- 1.5, 2.8 Series, Sealed Connectors (Female)
- 1.5, 2.8 MCP Series Connectors
- 1.5, 2.8 MCP Series, Sealed Connectors
- 1.5, 2.8, 4.8 MCP Series, Sealed Connectors
- 1.5, 2.8, 6.3 CTS Series Connectors (Female)
- 1.5, 2.8, 6.3 CTS, 9.5 MCON-LL Series Connectors (Version 1 Female)
- 1.5, 2.8, 6.3 CTS, 9.5 MCON-LL Series Connectors (Version 2 Female)
- 1.5, 5.8 Series Connectors (Male)
- 2.8 Kaizen Series Connectors
- 40 M, 1.5 TTS, 2.8 DC2 Series Connectors
- Mini 50 Series Connectors
- 150 GT Series Connectors (Female)
- 150, 280 GT Series, Sealed Connectors (Female)
- 280 GT Series Connectors (Female)
- 280 GT Series Connectors (Male)
- 150 Metri-Pack Series Connectors (Female)
- 150 MX Sealed Series Connectors (Female)
- Ground Repair
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.