68 A/C compressor electrical connection

[fireguyfire]

Hey guys; got my wiper motor back from being professionally rebuilt, and it looks awesome. The builder replaced the wiring for me, and off the same terminal block that plugs into the firewall from the wiper motor, is a 2 wire lead; a green wire which connects back to the blower motor, and a navy blue wire which i know runs to the A/C compressor. It has a female blade connector on the end of the navy blue, and I cant seem to find the termination point; can anyone help me out? Also, what would be the factory correct way to run this wire to that termination point?