I'm putting a stereo system in my daily driver soon, it has rear USB and AUX inputs.
I had previously bought a USB power outlet to charge phones, tried to put it where the lighter jack is but the new one was too big in diameter.
I have this little unused hole to the right of the passenger airbag shut off key.....
I needed a piece of plastic to cover it. As it turns out my donor mountaineer has the same interior color as my daily driver Ranger.
The sacrificial jack cover off the Mounty:
A little bandsaw work:
I made a metal bracket and attached the plugs to the bottom with a screw for rigidity. The outcome:
AND now open. The left has the axillary inputs both 1/8 round and USB.
The right is 2 quick charge ports (lighted green of course) for phones or pads. Or my fit bit or anything else. I'm not going to install it till I get the radio (wife and kids getting it for my birthday in November) but it is ready: