As usual they are listed in the tech manuals.What are the other two relays next to the starter (doghead) relay for?
They are the GEN2 relay and the 24v relay. Both use 12v to energize and switch a 24v load.
You can look here for more fun and exciting info:
http://www.steelsoldiers.com/cucv/50551-cucv-switches-diodes-relays.html