GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2007 🢒 STS 🢒 Engine 🢒 Engine Mechanical - 4.4L 🢒 Engine Wiring Harness Assembly Removal

Left Side Harness Connections

    Object Number: 1690247 Size: SH
  1. Disconnect the engine wiring harness from the oil level switch/temperature sensor.

    2. Object Number: 1690243 Size: SH
  2. Disconnect the engine wiring harness from the air conditioner compressor.

    3. Object Number: 1690240 Size: SH
  3. Disconnect the engine wiring harness from the oil pressure sensor.

    4. Object Number: 1690236 Size: SH
  4. Disconnect the engine wiring harness from the supercharger charge air bypass regulator solenoid valve.

    5. Object Number: 1690225 Size: SH
  5. Disconnect the engine wiring harness from the left camshaft position sensors.

    6. Object Number: 1690221 Size: SH
  6. Disconnect the engine wiring harness from the left camshaft position actuators.

    7. Object Number: 1690234 Size: SH
  7. Disconnect the engine wiring harness from the throttle body.

    8. Object Number: 1690232 Size: SH
  8. Disconnect the engine wiring harness from the evaporative emissions (EVAP) canister purge solenoid.

    9. Object Number: 1690220 Size: SH
  9. Disconnect the engine wiring harness from the left coil assembly harness.

    10. Object Number: 1699245 Size: SH
  10. Disconnect the engine wiring harness from the left camshaft cover.

    11. Object Number: 1690229 Size: SH
  11. Disconnect the engine wiring harness from the left side fuel injectors.

    12. Object Number: 1704357 Size: SH
  12. Disconnect the engine wiring harness starter connector from the starter wiring harness.

    13. Object Number: 1699247 Size: SH
  13. Remove the left rear engine harness bracket bolt and nut.

    14. Object Number: 1690276 Size: SH
  14. Remove the left rear engine harness bracket.

Right Side Harness Connections

    Object Number: 1690273 Size: SH
  1. Remove the generator positive battery cable nut.
  2. Remove the generator positive battery cable.

    3. Object Number: 1690271 Size: SH
  3. Disconnect the engine wiring harness from the generator.

    4. Object Number: 1699249 Size: SH
  4. Disconnect the engine wiring harness clips from the generator.

    5. Object Number: 1690256 Size: SH
  5. Disconnect the engine wiring harness from the right camshaft position sensors.

    6. Object Number: 1690255 Size: SH
  6. Disconnect the engine wiring harness from the right camshaft position actuators.

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

    8. Object Number: 1690263 Size: SH
  8. Disconnect the engine wiring harness from the (1) supercharger inlet absolute pressure sensor, (2) barometric pressure (BARO) sensor, (3) manifold absolute pressure (MAP) sensor.

    9. Object Number: 1690254 Size: SH
  9. Disconnect the engine wiring harness from the right coil assembly harness.

    10. Object Number: 1699251 Size: SH
  10. Disconnect the engine wiring harness from the right camshaft cover.

    11. Object Number: 1690258 Size: SH
  11. Disconnect the engine wiring harness from the right side fuel injectors.

    12. Object Number: 1690259 Size: SH
  12. Disconnect the engine wiring harness from the engine coolant temperature (ECT) sensor at the rear of the right cylinder head.

    13. Object Number: 1690269 Size: SH
  13. Disconnect the engine wiring harness from the knock and crankshaft position sensor wiring harness.

    14. Object Number: 1699253 Size: SH
  14. Remove the right side engine harness bracket bolts.

    15. Object Number: 1690284 Size: SH
  15. Remove the right side rear engine harness bracket.

    16. Object Number: 1699255 Size: SH
  16. Remove the right rear engine harness bracket bolt.

    17. Object Number: 1690279 Size: SH
  17. Remove the right rear engine harness bracket.

    18. Object Number: 1690286 Size: SH
  18. Remove the engine wiring harness from the engine block.