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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 994 (Engine Mechanical - 6.6L (LLY)) >> Repair Instructions >> Off-Vehicle Repair Instructions >> Fuel Injection Control Module Harness Assembly Installation

Fuel Injection Control Module Harness Assembly Installation

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Install the fuel injection control module harness assembly.
    2. Fig 1: View Of Fuel Injector Control Module Harness
    GM1335560Courtesy of GENERAL MOTORS CORP.
  2. Install the right glow plugs.

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

    3. 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).

    4. 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.
  6. Install the glow plug controller bolts.

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

    7. Fig 4: View Of Glow Plug Controller Bolts
    GM1336490Courtesy of GENERAL MOTORS CORP.
  7. Install the oil level sensor harness bolt.

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

    8. Fig 5: View Of Oil Level Sensor Harness Bolt
    GM1335549Courtesy of GENERAL MOTORS CORP.
  8. Connect the oil pressure sensor electrical connector.
    9. Fig 6: View Of Oil Pressure Sensor Electrical Connector
    GM1335546Courtesy of GENERAL MOTORS CORP.
  9. Connect the fuel rail pressure sensor.
    10. Fig 7: View Of Fuel Rail Pressure Sensor And Electrical Connector
    GM1335543Courtesy of GENERAL MOTORS CORP.
    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.
  10. Connect the turbocharger vane control solenoid valve.
    11. Fig 8: View Of Turbocharger Vane Control Solenoid Valve & Electrical Connector
    GM1335540Courtesy of GENERAL MOTORS CORP.
  11. Connect the fuel injector electrical connections.
    12. 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).

    13. Fig 10: View Of Turbocharger Vane Position Sensor
    GM1335534Courtesy of GENERAL MOTORS CORP.
  13. Connect the glow plug controller electrical connector.
    14. Fig 11: View Of Glow Plug Controller Electrical Connectors
    GM1335531Courtesy of GENERAL MOTORS CORP.
  14. Connect the fuel temperature sensor connector.
    15. Fig 12: View Of Fuel Temperature Sensor Electrical Connector
    GM1335528Courtesy of GENERAL MOTORS CORP.
  15. Connect the oil level sensor electrical harness connector.
    16. Fig 13: View Of Oil Level Sensor Electrical Harness Connector
    GM1335526Courtesy of GENERAL MOTORS CORP.
  16. Connect the turbocharger boost sensor electrical connector.
    17. Fig 14: View Of Turbocharger Boost Sensor Electrical Connector
    GM1335490Courtesy of GENERAL MOTORS CORP.
  17. Connect the fuel pressure control valve electrical connector.
    18. Fig 15: View Of Fuel Pressure Control Valve Electrical Connector
    GM1335482Courtesy of GENERAL MOTORS CORP.
  18. Install the tie strap to the electrical harness.
    19. Fig 16: View Of Electrical Harness Tie Strap
    GM1335476Courtesy of GENERAL MOTORS CORP.
  19. Connect the crankshaft position sensor electrical connector.
    20. Fig 17: View Of Crankshaft Position Sensor Electrical Connector
    GM1335470Courtesy of GENERAL MOTORS CORP.
  20. Install the two ground bolts.

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

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

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

    24. Fig 21: View Of Left PCV Hose/Pipe Bolt
    GM1335460Courtesy of GENERAL MOTORS CORP.
  24. Install the right PCV pipe bolt.

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

    25. Fig 22: View Of Right PCV Hose/Pipe Bolt
    GM1335456Courtesy of GENERAL MOTORS CORP.
  25. Connect the PCV hose clamp.
    26. Fig 23: View Of PCV Hose Clamp
    GM1335454Courtesy of GENERAL MOTORS CORP.
  26. Install the right glow plug harness bracket bolts.

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

    27. Fig 24: View Of Right Glow Plug Harness Bracket Bolts
    GM1335450Courtesy of GENERAL MOTORS CORP.
  27. Install the left glow plug harness bracket bolts.

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

    28. Fig 25: View Of Left Glow Plug Harness Bracket Bolts
    GM1335443Courtesy of GENERAL MOTORS CORP.
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