E34: Door A-pillar tweeters

[ktteoh]

folks, how do i checked if my car is pre-wired for these? where are the wiring harness located and what colors are the wires?

 

[SuperCharger]

If i'm not mistaken, it's yellow black wire.. you should be able to see it once u open the door card... i wired mine but it doesn't work as it is not connected to the amp. will connect it once i get into the "audio project"