GM Service Manual Online
For 1990-2009 cars only

The turn/hazard signal relay is located in Junction Block #1 under the left body hinge pillar trim panel. Of the relays in this block, the turn/hazard is the tallest.

Removal Procedure


    Object Number: 242378  Size: SH
  1. Remove the left body hinge pillar trim panel. Refer to Body Hinge Pillar Trim Panel Replacement in Interior Trim.
  2. Remove the turn/hazard signal relay (2) from Junction Block #1 (1).

Installation Procedure


    Object Number: 242378  Size: SH
  1. Install the turn/hazard signal relay (2) to Junction Block #1 (1).
  2. Install the left body hinge pillar trim panel. Refer to Body Hinge Pillar Trim Panel Replacement in Interior Trim.