Here is a nice working flash for you.. & more. The 283 has been modified- see my pics, nice metal shoe has been added here..
the unit is working great.. capacitor charging up nicely.. has had hours of use, but still going strong..!! &
I have for you slave unit sl-2, pc cord , there is also the sb-4 ac unit so it will plug in to outlet & work just fine..
nice lumiquest 80/20 set up also....