[omonoid]

Just got my heater relay and wanted to get some clarification

Its a KUEP-3D15-12 High-Power Relay Assembly from EV Source

http://www.evsource.com/images/elec_components/relays/magnecraft_relay_assy.jpg

How do i wire this?

Anyone have a similar one?

I plan on using a diode to protect it what is the best kind? How does it fit in with the wireing