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Home >> Chevrolet >> 2006 >> Silverado 1500 HD, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 37 (Engine Mechanical - 6.6L - Off Vehicle Repair Instructions (3 Of 3)) >> Off-Vehicle Repair INSTRUCTIONST (Part 3) >> Engine Wiring Harness Assembly Installation

Engine Wiring Harness Assembly Installation

WARNING: This page is about a different variant/trim than selected.
  1. Install the engine wiring harness assembly.
    Fig 1: Engine Wiring Harness Assembly
    GM1335560Courtesy of GENERAL MOTORS CORP.
  2. Install the right glow plugs.

    Tighten:  Tighten the glow plugs to 18 N.m (13 lb ft).

    Fig 2: View Of Right Glow Plugs
    GM1335557Courtesy of GENERAL MOTORS CORP.
  3. Install the left glow plugs.

    Tighten:  Tighten the glow plugs to 18 N.m (13 lb ft).

    Fig 3: View Of Left Glow Plugs
    GM1335554Courtesy of GENERAL MOTORS CORP.
  4. Install the glow plug nuts.

    Tighten:  Tighten the glow plug nuts to 2 N.m (18 lb in).

  5. Install the glow plug controller.
    Fig 4: Glow Plug Controller
    GM1650645Courtesy of GENERAL MOTORS CORP.
  6. Install the glow plug controller bolts.

    Tighten:  Tighten the glow plug controller bolts to 10 N.m (89 lb in).

  7. Install the oil level sensor harness bolt.

    Tighten:  Tighten the oil level sensor harness bolt to 40 N.m (29 lb ft).

    Fig 5: View Of Oil Level Sensor Harness Bolt
    GM1335549Courtesy of GENERAL MOTORS CORP.
  8. Connect the oil pressure sensor electrical connector.
    Fig 6: View Of Oil Pressure Sensor Electrical Connector
    GM1335546Courtesy of GENERAL MOTORS CORP.
  9. Connect the fuel rail pressure sensor.
    Fig 7: View Of Fuel Rail Pressure Sensor And Electrical Connector
    GM1335543Courtesy of GENERAL MOTORS CORP.
    10. NOTE: Label all the injector electrical connectors before the connectors are removed in order to prevent reconnecting to the wrong injector. Failure to properly connect the injectors in the correct sequence will cause severe engine damage.
    Fig 8: View Of Turbocharger Vane Control Solenoid Valve & Electrical Connector
    GM1335540Courtesy of GENERAL MOTORS CORP.
  10. Connect the turbocharger vane control solenoid valve.
  11. Connect the fuel injector electrical connections.
    Fig 9: View Of Fuel Injector Electrical Connectors
    GM1335536Courtesy of GENERAL MOTORS CORP.
  12. Connect and install the turbocharger vane position sensor.

    Tighten:  Tighten the turbocharger vane position sensor to 23 N.m (16 lb ft).

    Fig 10: View Of Turbocharger Vane Position Sensor
    GM1335534Courtesy of GENERAL MOTORS CORP.
  13. Connect the glow plug controller electrical connector.
    Fig 11: View Of Glow Plug Controller Electrical Connectors
    GM1335531Courtesy of GENERAL MOTORS CORP.
  14. Connect the fuel temperature sensor connector.
    Fig 12: View Of Fuel Temperature Sensor Electrical Connector
    GM1335528Courtesy of GENERAL MOTORS CORP.
  15. Connect the oil level sensor electrical harness connector.
    Fig 13: View Of Oil Level Sensor Electrical Harness Connector
    GM1335526Courtesy of GENERAL MOTORS CORP.
  16. Connect the fuel pressure control valve electrical connector.
    Fig 14: Attaching Fuel Pressure Control Valve Electrical Connector
    GM1335482Courtesy of GENERAL MOTORS CORP.
  17. Install the tie strap to the electrical harness.
    Fig 15: View Of Electrical Harness Tie Strap
    GM1335476Courtesy of GENERAL MOTORS CORP.
  18. Connect the crankshaft position sensor electrical connector.
    Fig 16: View Of Crankshaft Position Sensor Electrical Connector
    GM1335470Courtesy of GENERAL MOTORS CORP.
  19. Install the two ground bolts.

    Tighten:  Tighten the ground bolts to 41 N.m (30 lb ft).

    Fig 17: View Of Ground Bolts
    GM1335467Courtesy of GENERAL MOTORS CORP.
  20. Connect the EGR valve electrical connector.
    Fig 18: View Of EGR Valve Electrical Connector
    GM1335463Courtesy of GENERAL MOTORS CORP.
  21. Install the PCV pipe.
    Fig 19: View Of PCV Pipe
    GM1335462Courtesy of GENERAL MOTORS CORP.
  22. Install the left PCV pipe bolt.

    Tighten:  Tighten the PCV pipe bolt to 25 N.m (18 lb ft).

    Fig 20: View Of Left PCV Hose/Pipe Bolt
    GM1335460Courtesy of GENERAL MOTORS CORP.
  23. Install the right PCV pipe bolt.

    Tighten:  Tighten the PCV pipe bolt to 25 N.m (18 lb ft).

    Fig 21: View Of Right PCV Hose/Pipe Bolt
    GM1335456Courtesy of GENERAL MOTORS CORP.
  24. Connect the PCV hose clamp.
    Fig 22: View Of PCV Hose Clamp
    GM1335454Courtesy of GENERAL MOTORS CORP.
  25. Install the right glow plug harness bracket bolts.

    Tighten:  Tighten the glow plug harness bracket bolt to 10 N.m (89 lb in).

    Fig 23: View Of Right Glow Plug Harness Bracket Bolts
    GM1335450Courtesy of GENERAL MOTORS CORP.
  26. Install the left glow plug harness bracket bolts.

    Tighten:  Tighten the glow plug harness bracket bolt to 10 N.m (89 lb in).

    Fig 24: View Of Left Glow Plug Harness Bracket Bolts
    GM1335443Courtesy of GENERAL MOTORS CORP.
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