gmc Workshop Repair Guides

GMC Workshop Service and Repair Manuals

Main Relay (Computer/Fuel System) > < Diagram Information and Instructions|Page 530
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4. Connect the ECM electrical connectors.
5. Connect the negative battery cable.
6. If a NEW ECM was installed, program the ECM.  See: Testing and Inspection/Programming and Relearning
7. Perform the turbocharger learn procedure. Refer to Turbocharger Learn.  See: Powertrain Management/Fuel Delivery and Air

Induction/Turbocharger/Service and Repair/Procedures

Main Relay (Computer/Fuel System) > < Diagram Information and Instructions|Page 530