Installation Procedure

Install the ECM module (2) into the ECM module bracket.

Fig 1: ECM Module And ECM Module Bracket
Courtesy of GENERAL MOTORS COMPANY
Attach the ECM module bracket retainers (3) to the battery tray (2).

Fig 2: Engine Control Module Bracket
Courtesy of GENERAL MOTORS COMPANY
Install the ECM module bracket to the heater coolant heater bracket with the fastener (1) and retaining tab (2). Tighten the fastener (1) to 9 N.m (80 lb in).

Fig 3: ECM Module Bracket Fastener And Release Retaining Tab
Courtesy of GENERAL MOTORS COMPANY

CAUTION: Refer to Fastener Caution .
Install the ECM connectors (1) to the ECM module (2).

Fig 4: Engine Control Module (ECM) Connectors And ECM Module
Courtesy of GENERAL MOTORS COMPANY
Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .