Troubles Finding the wiring to the Dome lights and parking lights

I installed my alarm like 4 months ago, however I was never able to find the dome lights wire, or the wire to the parking lights. I would like my dome light to turn on when the unlock button is pressed on my remote and as well as have the parking brakes flash. The feature is on the alarm juust need to know where the wires are and what colors.
Please help if ya can. Thanks.;