65 factory tach install

I have a 65 Barracuda, I just got a factory Tach from "Waggons"
do any of you have a wiring digram of how this hooks up???
the car has Electronic ign. also having some of the same dash light guage problems i see others are having ie no int dash lights and no temp guage other wise she's a gem. and all of your help & expertiese is very cool!!!
Thanks for any help!!!