WAIT A MINUTE!!! According to the page you posted, the relay gets power from the fuse box from fuse 16. That is the same fuse that powers the OD switch, which I've been having problems with.
Make sure you have constant power there before testing(after the fuse). This is only to power the coil for the relay, After "jumping" it you need to make sure you have power at terminal "D" of the relay. This is what gives the pump power.
