E 450 V10-6.8L (2008)
5. Remove the instrument panel finish panel.
6. Remove the cowl side trim panel.
7. Locate and follow the antenna lead-in cable from end to end and disconnect the retainers from the wiring harness and the wiring harness trough.
8. Remove the audio unit.
9. Remove the antenna lead-in cable.
10. To install, reverse the removal procedure.