I have console gauges in my 68 camaro that I partially put in some years back. I never could find instructions on how to assemble the gauge cluster and how to place the bezels and lenses in the cluster. I am looking for documentation on how to put this puzzle together.
Search around on here or Camaros.net for consol gauges and the like, I think you will find what you are looking for,
Good Luck!
I've never seen one of these manuals in the flesh, but it might be what you're looking for...
http://cgi.ebay.com/ebaymotors/67-68-69-Camaro-RS-Headlamp-Console-Gauge-Book_W0QQitemZ230377491806QQcmdZViewItemQQptZMotors_Car_Truck_Parts_Accessories?hash=item35a3918d5e
Paul