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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1130 (Engine Mechanical (Repair Instructions 5 Of 5) - 3.6L (Ly7)) >> Repair Instructions (Off-Vehicle Repair Instructions - Part 4) >> Engine Wiring Harness Assembly Installation >> Left Side Harness Connections

Left Side Harness Connections

WARNING: This page is about a different car, the 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Engine Wiring Harness Assembly
    GM1414387Courtesy of GENERAL MOTORS CORP.
  1. Install the engine wiring harness to the engine.
    2. Fig 2: Connecting Wiring Harness To Throttle Body
    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: View Of Barometric (BARO) Sensor
    GM1414411Courtesy of GENERAL MOTORS CORP.
  3. Connect the engine wiring harness to the barometric (BARO) sensor.
    4. Fig 4: Routing Engine Wiring Harness To 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: View Of Engine Wiring Harness And 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: Identifying Left Ignition Coils
    GM1414396Courtesy of GENERAL MOTORS CORP.
  6. Connect the engine wiring harness to the left ignition coils.
    7. Fig 7: Identifying Fuel Injector Harness
    GM1414395Courtesy of GENERAL MOTORS CORP.
  7. Connect the engine wiring harness to the fuel injector harness.
    8. Fig 8: Starter Motor Solenoid
    GM1414401Courtesy of GENERAL MOTORS CORP.
  8. Connect the engine wiring harness to the starter motor solenoid.
    9. Fig 9: Locating Oil Pressure Sender
    GM1412135Courtesy of GENERAL MOTORS CORP.
  9. Connect the engine wiring harness to the oil pressure sender.
    10. Fig 10: View Of Left Knock Sensor Connector
    GM1414404Courtesy of GENERAL MOTORS CORP.
  10. Connect the engine wiring harness to the left knock sensor.
    11. Fig 11: Locating A/C Compressor
    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: Identifying 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: Locating Engine Wiring Harness Ground To The Left Cylinder Head
    GM1414398Courtesy of GENERAL MOTORS CORP.
  15. Install the engine wiring harness ground to the left cylinder head.
    16. NOTE: Refer to Fastener Notice in Cautions and Notices.
  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: View Of Left Camshaft Position Sensors
    GM1414400Courtesy of GENERAL MOTORS CORP.
  17. Connect the engine wiring harness to the left camshaft position sensors.
    18. Fig 15: Locating 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: View Of Engine Wiring Harness Bracket
    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: Identifying Engine Wiring Harness Engine Control Module (ECM) Ground
    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: View Of Engine Wiring Harness Bracket To The 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: Identifying 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: Locating ECM Bracket
    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: Identifying ECM Module Bracket
    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: Locating ECM Module Connector
    GM1414390Courtesy of GENERAL MOTORS CORP.
  31. Connect the engine wiring harness to the ECM module.
    32. Fig 23: View Of ECM Ground Harness Terminal To The ECM Lug
    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: Identifying 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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