Installation Procedure

Connect the electrical connector.
Install the radio front speaker.
NOTE: Refer to FASTENER NOTICE in GM VEHICLES CAUTIONS & NOTICES article.
Install the radio front speaker screws.
Tighten

Tighten the radio front speaker screws to 1.9 N.m (17 lb in).

Fig 1: Locating Front Speaker Components
Courtesy of GENERAL MOTORS CORP.
Install the DRL sensor to the right speaker grille, if equipped.
Turn the DRL sensor counterclockwise 1/4 turn in order to install.
Install the radio front speaker grille.
Install the radio front speaker grille screws.
Tighten

Tighten the radio front speaker screws to 1.9 N.m (17 lb in).
Inspect for proper circuit operation.