as Jimmy said, you really need to look here..
http://67-72chevytrucks.com/vboard/f...play.php?f=206
but you will need a pedal and BCM for this swap. I would also look at our vendor page
http://67-72chevytrucks.com/vboard/f...play.php?f=195
to find a forum supporting vendor that would help you with your purchase\needs for the harness.