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 MANUALSCHEVROLET2012CHEVY EXPRESS G2500, VAN PASSENGER, 4.8L ENG VIN AREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1003 (WIRING SYSTEMS AND POWER MANAGEMENT - SERVICE, TROUBLESHOOTING & DIAGNOSIS)DELPHI CONNECTORS (WEATHER PACK)TOOLS REQUIRED
2012 Chevrolet Chevy Express G2500, Van Passenger, 4.8L Eng VIN A
Tools Required
2012 Chevrolet Chevy Express G2500, Van Passenger, 4.8L Eng VIN ASECTION Tools Required
WARNING: This page is about a different car, the 2008 GMC Sierra, 2008 GMC Cab & Chassis Sierra, 2008 Chevrolet Silverado, and 2008 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
J-38125 Terminal Repair Kit. See Special Tools .
The following is the proper procedure for the repair of Weather Pack® Connectors.
- Separate the connector halves (1).
- Open the secondary lock. A secondary lock aids in terminal retention and is usually molded to the connector (1).
- Grasp the wire and push the terminal to the forward most position. Hold the wire in this position.
- Insert the Weather Pack® terminal removal tool J 38125-10A (GM P/N 12014012-1) into the front (mating end) of the connector cavity until it rests on the cavity shoulder (1).
- Gently pull on the wire to remove the terminal through the back of the connector (2).IMPORTANT: Never use force to remove a terminal from a connector.
- Inspect the terminal and connector for damage. Repair as necessary. Refer to Repairing Connector Terminals .
- Reform the lock tang (2) and reset terminal in connector body.
- Close secondary locks and join connector halves.
- Verify that circuit is complete and working satisfactorily.
- Perform system check.
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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.