Sorry won't have ALL the answers as I found somebody selling the unit off Craigslist. He had planned on putting it into his project that got sold. I went and looked at it and decided for what he wanted, I could MAKE it work. Turns out it fell into place pretty well.
So, no idea what year it's from.
I'm planning on pulling the tarps of of the truck this weekend for some other work and will take some pics then. All I'll need to do then is to figure out how to post pics.
I'll get back with ya'll next week.
Krash