GM Service Manual Online
For 1990-2009 cars only

Instrument Panel Wiring Harness Replacement for Buick Terraza Ext. 2008

Removal Procedure

  1. Disable the SIR. Refer to SIR Disabling and Enabling.
  2. Remove the instrument panel (I/P). Refer to Instrument Panel Assembly Replacement .
  3. Disconnect the wiring harness connectors under the I/P.
  4. Disconnect the wiring harness connectors under the hood.

  5. Object Number: 318305  Size: MH
  6. Pull on the wiring harness (2) in order to release the retainers.
  7. Remove the wiring harness (2).

Installation Procedure


    Object Number: 318305  Size: MH
  1. Align the wiring harness retainers.
  2. Push in on the wiring harness (2) until the harness is secure.
  3. Important: Ensure that the electrical connectors are routed correctly through the instrument panel.

  4. Install the I/P. Refer to Instrument Panel Assembly Replacement .
  5. Connect the wiring harness connectors under the I/P.
  6. Connect the wiring harness connectors under the hood.
  7. Enable the SIR. Refer to SIR Disabling and Enabling.