Installation Procedure
WARNING: This page is about a different car, the 2009 GMC Sierra and 2009 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
- Set the bottom of ECM into the ECM bracket tab (2).
- Push the ECM (3) in securing the ECM to the bracket.
- Position the engine wiring harness electrical connectors and engage the retainers securing the connectors (2) to the ECM (1).
- Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (With Single Battery) or Battery Negative Cable Disconnection and Connection (With Auxiliary Battery) or Battery Negative Cable Disconnection and Connection (With Dual Batteries) .
- If a NEW ECM was installed, program the ECM. Refer to Control Module References .