frist remove turn signal/marker lights then remove grill from rad support.
Yes
No they will not.
depending on model of truck.
Diagram of 1990 chevy truck steering column
Remove the inside of the glove box and look in and down to the right and you will see it. It has a 100 wires going to it.
yes, they should be identical.
Yes it will.
Which engine?
That would be the 700R4
Yes they will.
NO. It has a cable.
In the truck!