Mistery part I.D.

[zyzzyx]

Got this small clip that's supposed to be for the E-Brake on my 68 GTX? Got the system all hooked up and working
and can't figure out just where it goes!

 

[R413]

Lock tab for spanner on 8 3/4 differential

 

[zyzzyx]

Now I'm worried. I don't have an 8-3/4! Where the hell did I get that at? Thanks Guys!