Motorola 505 Remote Head Radios

I discovered I've got 2 Motorola 505 remote head radios down in my barn, and I'm wondering what they came out of? Being a Ford guy, I can identify all of those models, but these 2 have got me stumped. Any suggestions??---Old Wolfy

 

A guy I know took one of those heads.....without the rest of the radio.....and put a
light bulb inside. He then hooked the bulb up to his turn signals. So when his signal
is on for a turn, the light in the radio head blinks. ...lighting up the dial.
He didn't want a working radio in his car, so this setup was no problem for him.

 

Motorola's were popular in the mopar lines.