Here is a pic of the regulator as wired when I bought it.
http://www.flickr.com/photos/rlsidebottom/5826019744/in/photostream
A new issue cropped up after tracing some wires down. THe engine will continue running after the key switch is turned off. You have to kill it with the master battery switch that was installed at the Fire body manufacture.


Rick
62 C-60/Towers Fire Apparatus Fire Engine