VF II Driving lights

hi all just bought a VF II SV6 Sportwagon and want to fit light bar to car was wondering if anyone has attempted this did u wire up your own switch and relay? i did notice in fuse box in engine bay there was a relay saying drive lamp and no relay in slot lookedlike pins were in there.
has anyone located the wiring and were wiring for switch would be located i assume around headlight switch if i get some time next weekend will investigate a bit further any help would be sweet. and if i find anything myself will post on here.

thanks in advance..