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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 14 (Engine Mechanical - 3.6L - 5 Of 5) >> Off-Vehicle Repair Instructions (4 Of 4) >> Engine Wiring Harness Assembly Installation >> Left Side Harness Connections

Left Side Harness Connections

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Engine Wiring Harness
    GM1414387Courtesy of GENERAL MOTORS CORP.
  1. Install the engine wiring harness to the engine.
    2. Fig 2: Identifying Engine Wiring Harness To Throttle Body Connector
    GM1414412Courtesy of GENERAL MOTORS CORP.
    NOTE: DO NOT use any mechanical device such as pliers or screwdrivers to disengage the connector. In order to prevent damage to the connector or harness wiring, both of the latches on the connector must be depressed with finger pressure only. When the latches are depressed the connector must then be pulled straight back without pulling on the wires in order to disengage. Failure to follow this procedure can lead to connector or wiring harness damage and failure.
  2. Connect the engine wiring harness to the throttle body connector.
    3. Fig 3: Engine Wiring Harness To Barometric (BARO) Sensor
    GM1414411Courtesy of GENERAL MOTORS CORP.
  3. Connect the engine wiring harness to the barometric (BARO) sensor.
    4. Fig 4: Identifying Engine Wiring Harness From Top Left Camshaft Cover
    GM1414394Courtesy of GENERAL MOTORS CORP.
  4. Connect the engine wiring harness to the top of the left camshaft cover.
    5. Fig 5: Locating Engine Wiring Harness To Front Left Camshaft Cover
    GM1414393Courtesy of GENERAL MOTORS CORP.
  5. Connect the engine wiring harness to the front of the left camshaft cover.
    6. Fig 6: Engine Wiring Harness From Left Ignition Coils
    GM1414396Courtesy of GENERAL MOTORS CORP.
  6. Connect the engine wiring harness to the left ignition coils.
    7. Fig 7: View Of Engine Wiring Harness From Fuel Injector Harness
    GM1414395Courtesy of GENERAL MOTORS CORP.
  7. Connect the engine wiring harness to the fuel injector harness.
    8. Fig 8: Engine Wiring Harness From Starter Motor Solenoid
    GM1414401Courtesy of GENERAL MOTORS CORP.
  8. Connect the engine wiring harness to the starter motor solenoid.
    9. Fig 9: View Of Oil Pressure Sensor Wiring Harness
    GM1412135Courtesy of GENERAL MOTORS CORP.
  9. Connect the engine wiring harness to the oil pressure sender.
    10. Fig 10: Locating Engine Wiring Harness From Left Knock Sensor
    GM1414404Courtesy of GENERAL MOTORS CORP.
  10. Connect the engine wiring harness to the left knock sensor.
    11. Fig 11: View Of Engine Wiring Harness From Generator
    GM1414392Courtesy of GENERAL MOTORS CORP.
  11. Connect the engine wiring harness to the A/C compressor.
  12. Connect the engine wiring harness to the generator.
    13. Fig 12: Locating Engine Wiring Harness To Engine Coolant Temperature (ECT) Sensor
    GM1414399Courtesy of GENERAL MOTORS CORP.
  13. Connect the engine wiring harness to the engine coolant temperature (ECT) sensor.
  14. Position the heat shield down in order to protect the ECT sensor and the wiring harness connector.
    15. Fig 13: Engine Wiring Harness Ground Bolt
    GM1414398Courtesy of GENERAL MOTORS CORP.
  15. Install the engine wiring harness ground to the left cylinder head.
    16. NOTE: Refer to Fastener Notice .
  16. Install the engine wiring harness ground bolt to the left cylinder head.

    Tighten:  Tighten the engine wiring harness ground bolt to 10 N.m (89 lb in).

    17. Fig 14: Engine Wiring Harness From Left Camshaft Position Sensors
    GM1414400Courtesy of GENERAL MOTORS CORP.
  17. Connect the engine wiring harness to the left camshaft position sensors.
    18. Fig 15: Identifying Engine Wiring Harness From Left Camshaft Position Actuator Valves
    GM1414402Courtesy of GENERAL MOTORS CORP.
  18. Connect the engine wiring harness to the left camshaft position actuator valves.
    19. Fig 16: Locating Engine Wiring Harness Bracket Bolts
    GM1414403Courtesy of GENERAL MOTORS CORP.
  19. Install the engine wiring harness bracket to the front lower left side of the engine.
  20. Install the engine wiring harness bracket bolts to the front lower left side of the engine.

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

    21. Fig 17: View Of Engine Wiring Harness ECM Ground Bolt
    GM1414424Courtesy of GENERAL MOTORS CORP.
  21. Install the engine wiring harness engine control module (ECM) ground to the left cylinder head.
  22. Install the engine wiring harness ECM ground bolt to the left cylinder head.

    Tighten:  Tighten the engine wiring harness ECM ground bolt to 10 N.m (89 lb in).

    23. Fig 18: Engine Wiring Harness Bracket Bolts From Intake Manifold
    GM1414388Courtesy of GENERAL MOTORS CORP.
  23. Install the engine wiring harness bracket to the intake manifold.
  24. Install the engine wiring harness bracket bolts to the intake manifold.

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

    25. Fig 19: View Of Radiator Inlet Hose Support
    GM1414382Courtesy of GENERAL MOTORS CORP.
  25. Install the radiator inlet hose support.
  26. Install the radiator inlet hose support bolt.

    Tighten:  Tighten the radiator inlet hose support bolt to 50 N.m (37 lb ft).

    27. Fig 20: Identifying ECM Bracket Bolts
    GM1414385Courtesy of GENERAL MOTORS CORP.
  27. Install the ECM bracket.
  28. Install the ECM bracket bolts.

    Tighten:  Tighten the ECM bracket bolt to 10 N.m (89 lb in).

    29. Fig 21: Locating ECM Module Nuts
    GM1414386Courtesy of GENERAL MOTORS CORP.
  29. Install the ECM module to the ECM bracket.
  30. Install the ECM module nuts.

    Tighten:  Tighten the ECM module nut to 10 N.m (89 lb in).

    31. Fig 22: View Of Engine Wiring Harness From ECM Module
    GM1414390Courtesy of GENERAL MOTORS CORP.
  31. Connect the engine wiring harness to the ECM module.
    32. Fig 23: Identifying Engine Control Module (ECM) Ground Harness Terminal Screw
    GM1414397Courtesy of GENERAL MOTORS CORP.
  32. Install the ECM ground harness terminal to the ECM lug.
  33. Install the ECM ground harness terminal screw to the ECM lug.

    Tighten:  Tighten the ECM ground harness terminal screw to 4.5 N.m (40 lb in).

    34. Fig 24: Locating Right Torque Strut Bracket Bolts
    GM1414384Courtesy of GENERAL MOTORS CORP.
  34. Install the right torque strut bracket.
  35. Install the one long outboard right torque strut bracket bolt.
  36. Install the two short outboard right torque strut bracket bolts.

    Tighten:  Tighten the right torque strut bracket bolt to 50 N.m (37 lb ft).

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