Installation Procedure

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.

Connect the electrical connectors to the DRL module.
Position the DRL module to the BCM bracket, then slide the module downward to secure the module tabs into the retaining slots on the bracket.
Install the left IP insulator. Refer to CLOSEOUT/INSULATOR PANEL REPLACEMENT - LEFT in Instrument Panel, Gages and Console.

Fig 1: Connecting Electrical Connectors To Daytime Running Lights Control Module
Courtesy of GENERAL MOTORS CORP.