Want / Need to install a KRITTER RIDDER behind the grill but need 12v supply. Was contemplating connecting to a headlight connection plug (turn headlights on when traveling down highway infested with wildlife) or just a straight connection to 12v. Has an inline fuse already on the unit but how to remove the headlight connector so I can tap the wires (which wire is HOT when headlights are on) Contemplating passenger side as there is more so called room to work (boy that engine compartment is packed) This is a 2013 Prius 2 I don't want to customize the car with a deer as a hood ornament.