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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 27 (Supplemental Inflatable Restraints) >> Repair Instructions >> Pretensioner Handling and Scrapping >> Deployment Inside Vehicle - Vehicle Scrapping Procedure

Deployment Inside Vehicle - Vehicle Scrapping Procedure

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.

Deploy the seat belt pretensioners inside of the vehicle when destroying the vehicle or when salvaging the vehicle for parts. This includes but is not limited to the following situations:

  1. GM263002Courtesy of GENERAL MOTORS COMPANY

    Turn OFF the ignition.

  2. Remove the ignition key.
  3. Put on safety glasses.
  4. Remove all loose objects from the front seats.
  5. Disconnect the seat belt pretensioner connector. Refer to Seat Belt Buckle Pretensioner Replacement .
  6. Cut the seat belt pretensioner harness connector out of the vehicle, leaving at least 16 cm (6 in) of wire at the connector.
  7. Strip 13 mm (0.5 in) of insulation from each of the connector wire leads.
  8. GM68651Courtesy of GENERAL MOTORS COMPANY

    Cut two 6.1 m (20 ft) deployment wires from a 0.8 mm (18 gauge) or thicker multi-strand wire. These wires will be used for the seat belt pretensioner deployment harness.

  9. Strip 13 mm (0.5 in) of insulation from both ends of the wires cut in the previous step.
  10. Twist together one end from each of the wires in order to short the wires. Deployment wires shall remain shorted, and not connected to a power source until you are ready to deploy the seat belt pretensioner.
  11. GM263005Courtesy of GENERAL MOTORS COMPANY

    Twist together one connector wire lead to one deployment wire.

  12. Inspect that the previous connections is secure.
  13. GM263008Courtesy of GENERAL MOTORS COMPANY

    Bend flat the twisted connection.

  14. Secure and insulate the connection using electrical tape.
  15. GM263012Courtesy of GENERAL MOTORS COMPANY

    Twist together, bend, and tape the remaining connector wire lead to the remaining deployment wire.

  16. GM899818Courtesy of GENERAL MOTORS COMPANY

    Connect the deployment harness to the seat belt pretensioner connector.

  17. GM885119Courtesy of GENERAL MOTORS COMPANY

    Route the deployment harness out of the driver side of the vehicle.

  18. GM263002Courtesy of GENERAL MOTORS COMPANY

    Disconnect the seat belt pretensioner connector. Refer to Seat Belt Buckle Pretensioner Replacement .

  19. Cut the seat belt pretensioner connector out of the vehicle, leaving at least 16 cm (6 in) of wire at the connector.
  20. Strip 13 mm (0.5 in) of insulation from each of the connector wire leads.
  21. GM68651Courtesy of GENERAL MOTORS COMPANY

    Cut two 6.1 m (20 ft) deployment wires from a 0.8 mm (18 gauge) or thicker multi-strand wire. These wires will be used for the seat belt pretensioner deployment harness.

  22. Strip 13 mm (0.5 in) of insulation from both ends of the wires cut in the previous step.
  23. Twist together one end from each of the wires in order to short the wires. The deployment wires are to remain shorted, and not connected to a power source until you are ready to deploy the seat belt pretensioner.
  24. GM263005Courtesy of GENERAL MOTORS COMPANY

    Twist together one connector wire lead to one deployment wire.

  25. Inspect that the previous connection is secure.
  26. GM263008Courtesy of GENERAL MOTORS COMPANY

    Bend flat the twisted connection.

  27. Secure and insulate the connection using electrical tape.
  28. GM263012Courtesy of GENERAL MOTORS COMPANY

    Twist together, bend, and tape the remaining connector wire lead to the remaining deployment wire.

  29. GM899818Courtesy of GENERAL MOTORS COMPANY

    Connect the deployment harness to the seat belt pretensioner connector.

  30. GM885102Courtesy of GENERAL MOTORS COMPANY

    Route the deployment harness out of the passenger's side of the vehicle.

  31. Completely cover the windshield and the front door openings with a drop cloth.
  32. Deploy each deployment loop one at a time.
  33. Stretch out all of the deployment harness wires on the left and right side of the vehicle to their full length.
  34. Place a power source, 12 volt minimum/2 amp minimum, such as a vehicle battery, near the shorted end of the harnesses.
  35. Separate one set of wires and touch the wire ends to the power source in order to deploy the seat belt pretensioners.
  36. Disconnect the deployment harness from the power source and twist the wire ends together.
  37. Continue the same process with the remaining deployment harnesses that are available.
  38. Remove the drop cloth from the vehicle.
  39. Disconnect all harnesses from the vehicle.
  40. Discard the harnesses.
  41. Scrap the vehicle in the same manner as a non-SIR equipped vehicle.
  42. If one or more of the seat belt pretensioners did not deploy, perform the following steps to remove the undeployed seat belt pretensioner from the vehicle, refer to Seat Belt Buckle Pretensioner Replacement .
  43. Call the Technical Assistance Group for further assistance.