Express 3500 V8-6.6L DSL Turbo (2008)
7. Remove the engine wiring harness bracket bolt (1).
8. Disconnect the left side main engine harness electrical connector.
9. Remove the wiring harness clip from the main connector bracket.
10. Remove the connector bracket bolts (1).
11. Remove the glow plug wire harness retaining bolts at the lower part of the upper left valve cover.
12. Reposition the engine wiring harness out of the way.