GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2009 🢒 XLR 🢒 Engine 🢒 Engine Mechanical - 4.4L 🢒 Engine Wiring Harness Assembly Installation

Left Side Harness Connections

    Object Number: 1788021 Size: SH
  1. Install the engine wiring harness to the engine block.

    2. Object Number: 1704357 Size: SH
  2. Connect the engine wiring harness starter connector to the starter wiring harness.

    3. Object Number: 1690229 Size: SH
  3. Connect the engine wiring harness to the left side fuel injectors.

    4. Object Number: 1699245 Size: SH
  4. Connect the engine wiring harness to the left camshaft cover.

    5. Object Number: 1690220 Size: SH
  5. Connect the engine wiring harness to the left coil assembly harness.

    6. Object Number: 1690232 Size: SH
  6. Connect the engine wiring harness to the evaporative emissions (EVAP) canister purge solenoid.

    7. Object Number: 1690234 Size: SH
  7. Connect the engine wiring harness to the throttle body.

    8. Object Number: 1690221 Size: SH
  8. Connect the engine wiring harness to the left camshaft position actuators.

    9. Object Number: 1690225 Size: SH
  9. Connect the engine wiring harness to the left camshaft position sensors.

    10. Object Number: 1690236 Size: SH
  10. Connect the engine wiring harness to the supercharger charge air bypass regulator solenoid valve.

    11. Object Number: 927874 Size: SH
  11. Connect the starter motor wiring harness to the generator stud.

    12. Caution: Refer to Fastener Caution in the Preface section.

  12. Install the nut attaching the starter motor wiring harness to the generator stud and tighten to 20 N·m (15 lb ft).

    13. Object Number: 927844 Size: SH
  13. Connect the engine wiring harness to the generator.

    14. Object Number: 927853 Size: SH
  14. Connect the engine wiring harness to the oil pressure sensor.

Right Side Harness Connections

    Object Number: 1690269 Size: SH
  1. Connect the engine wiring harness to the knock and crankshaft position sensor wiring harness.

    2. Object Number: 1690259 Size: SH
  2. Connect the engine wiring harness to the engine coolant temperature (ECT) sensor at the rear of the right cylinder head.

    3. Object Number: 1690258 Size: SH
  3. Connect the engine wiring harness to the right side fuel injectors.

    4. Object Number: 1699251 Size: SH
  4. Connect the engine wiring harness to the right camshaft cover.

    5. Object Number: 1690254 Size: SH
  5. Connect the engine wiring harness to right coil assembly harness.

    6. Object Number: 1690263 Size: SH
  6. Connect the engine wiring harness to the supercharger inlet absolute pressure sensor (1), barometric pressure (BARO) sensor (2), and manifold absolute pressure (MAP) sensor (3).

    7. Object Number: 1690266 Size: SH
  7. Connect the engine wiring harness to the intake air temperature (IAT) sensor 2.

    8. Object Number: 1690255 Size: SH
  8. Connect the engine wiring harness to the right camshaft position actuators.

    9. Object Number: 1690256 Size: SH
  9. Connect the engine wiring harness to right camshaft position sensors.

    10. Object Number: 927786 Size: SH
  10. Connect the engine wiring harness to the air conditioning compressor.

    11. Object Number: 927846 Size: SH
  11. Connect the engine wiring harness to the engine oil level switch/temperature sensor.