Escalade EXT AWD V8-6.2L (2009)
3. Position the engine wiring harness lower electrical connector and engage the retainer (3) securing the lower connector (4) to the ECM.
4. Position the engine wiring harness upper electrical connector and engage the retainer (2) securing the upper connector (1) to the ECM.
5. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (See: Starting and Charging/Battery/Battery
Cable/Negative/Service and Repair).
6. If a NEW ECM was installed, program the ECM. Refer to Control Module References (See: Testing and Inspection/Programming and
Relearning).
