Express 2500 V8-6.6L DSL Turbo (2010)
3. Press tabs (1) inward to lift and remove the large junction block cover (2).
4. Note location and remove harness end nuts and remove harness ends from fuse block relay center.
5. Remove the fuse block center bolts and remove fuse relay center from the junction block.
6. Remove from the junction block base the chassis harness (1), the I/P harness (2), the engine harness (3), and the forward LP harness (4).