chevrolet Workshop Repair Guides

Chevrolet Workshop Service and Repair Manuals

Main Relay (Computer/Fuel System) > < Diagram Information and Instructions|Page 5037
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5. Disconnect the engine wiring harness electrical connectors (1) to the ECM.
6. Slide the lever locks to the down position in order to engage the engine wiring harness electrical connectors.
7. Connect the negative battery cable.
8. If a NEW ECM was installed, the ECM must be programmed. Refer to Programming and Relearning See: Testing and Inspection/Programming

and Relearning

Main Relay (Computer/Fuel System) > < Diagram Information and Instructions|Page 5037