the + one goes directly to the battery, i hoooked the + into my amp since it has a fused 8ga wire.
and the - goes into the door switch, the wire is + when the door is closed and ground when the door is open so when you open the door it completes the circuit
id like to get them, but i dont have the money right now for the group buy. all they have is protege 5 and protege ones right. i can live with the protege ones, im not picky.