Silverado 1500 2WD V8-6.0L Hybrid (2009)
3. Position the engine wiring harness electrical connectors and engage the retainers securing the connectors (2) to the ECM (1).
4. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (With Single Battery) (See: Starting and
Charging/Battery/Battery Cable/Service and Repair)Battery Negative Cable Disconnection and Connection (With Auxiliary Battery) (See:
Starting and Charging/Battery/Battery Cable/Service and Repair)Battery Negative Cable Disconnection and Connection (With Dual Batteries) (
See: Starting and Charging/Battery/Battery Cable/Service and Repair) .
5. If a NEW ECM was installed, program the ECM. Refer to Control Module References (See: Testing and Inspection/Programming and
Relearning) .
