I went to my dealer yesterday to tell him I wanted the sound insulation in my BD. I asked him when I might take delivery and he June........maybe July ...or august. Maybe September. š
This is a link to the auxiliary switch option. If you didnāt get it this will still give you an idea.
https://www.bronco6g.com/forum/threads/how-to-2021-bronco-auxiliary-switch-wiring.13485/
This is the link to Ford Performance. This is just one of the applications. They have them for most of their engines. They are described as "Racing only" due to the fact that they are not emmision legal.
https://performanceparts.ford.com/part/M-6766-A23