Silverado 2500 4WD V8-6.6L DSL Turbo (2010)
3. Connect the ECM electrical connectors (2).
4. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Single Battery) (See: Starting and
Charging/Battery/Battery Cable/Negative/Service and Repair)Battery Negative Cable Disconnection and Connection (Dual Batteries) (See:
Starting and Charging/Battery/Battery Cable/Negative/Service and Repair)Battery Negative Cable Disconnection and Connection (Auxiliary
Battery) (See: Starting and Charging/Battery/Battery Cable/Negative/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).