April 5, 2026: LEMON Manuals is launched! Read the announcement.

Installation Procedure

Fig 1: ECM Bracket Tabs

GM1897085

Courtesy of GENERAL MOTORS CORP.

Set the bottom of the ECM (1) into the bracket, and push the top of the ECM against the bracket. Ensure that the tabs (2) secure the ECM (1).

Fig 2: Integral CPA Retainers

GM1897083

Courtesy of GENERAL MOTORS CORP.

Connect the engine wiring harness electrical connectors (2) to the ECM.
Engage the integral CPA retainers on the engine wiring harness electrical connectors.

Fig 3: Body Wiring Harness Electrical Connector

GM1897080

Courtesy of GENERAL MOTORS CORP.

Connect the body wiring harness electrical connector (2) to the ECM.
Engage the integral CPA retainer (1) on the body wiring harness electrical connector.
If a NEW ECM was installed, the ECM must be programmed. Refer to Control Module References .
Install the windshield washer solvent container. Refer to Windshield Washer Solvent Container Replacement .