GF8

I have a MY96, and just bought a set of OE fog lamps together with the OE switch and a suggested relay for the fog lamp from the dealer. But I can't find which socket is for this relay to plug in. Is this relay a replacement for the original relay for the main beam? Or where should this relay be installed? I just can't find an open socket to plug in this relay.

My fog lamp do not work at the moment as the replay is not installed. Please advise. Thanks.