Defi Red Racer install question

[Vicspeed6_AZ]

The Red Racer will come with 4 wires, one is the the orange wire for the ign ... where exactly are people hooking this up?? I was going to hook up the constant wire to the AC Fuse (I bought some mini taps) the illum. wire to the illum. switch, ground is straight forward ...

thanks!