Silverado Classic 2500 2WD V8-8.1L (2007)
5. Install the PCM cover.
6. If equipped with the Allison transmission RPO M74, install the engine harness clip to the PCM cover.
7. Connect the negative battery cable.
8. If a NEW PCM was installed, program the PCM. Refer to Control Module References. See: Testing and Inspection/Programming and Relearning
