[CajunChristian]

Originally Posted by T-Bone

Looks like it might be a Teleflex brand RPM guage from what I found on the net. Here is a link to a Faria Tach which looks pretty similar and shows the pinout for the Deutsch Connector. http://faria-instruments.com/site_manuals/IS0012u.pdf

Thanks man, you're a lifesaver.
D