Did you ever see the Twilight Zone where the guy signed a contract and they cut out his tongue? And, they put it in a jar, and it wouldn't die; it just grew and pulsated and gave birth to baby tongues. Pretty cool, huh?
But seriously. Trim the end of the #8 wire and connect it to the (proper pins on the) relay using either a) a diffferent set of quick-connects, or b) solder.