Sierra Classic 2500 4WD V8-6.0L (2007)
6. If equipped with RPO HP2, remove the starter/generator control module (SGCM) cover bolts, and cover.
7. Remove the 3-phase cable nuts to the SGCM.
8. Remove the 3-phase cable from the SGCM.
9. If equipped with RPO HP2, remove the 3-phase cable bracket nuts (2).
10. Remove the 3-phase cable bracket (1) from the studs, and reposition the cable and bracket out of the way.
11. Remove the ignition coil bolts.