which bin for 3/4 ton van with l05 and th400?

[RBob]

So after reading the info you suggested I have a question. For the kickdown to function, I have to wire in a relay to the solenoid? Im just looking for stock shifting so Im not clear about that bit.

thanks

Yes, need a relay. This is the same way that GM did it:

http://dynamicefi.com/EBL_Drawings_Images/3of4.jpg

Which is part of this page:

http://dynamicefi.com/EBL_Drawings.php

RBob.