I have for speakers I plan on running directly from my aftermarket head unit. Any suggestions on locations? I have a 1987 2dr s10 balzer. I was thinking the two front channel in the top corners of the trim around the windshield and facing each other. For the two rear channel tweets I was thinking between either the top of the trim between the door and rear window facing each other or modifying the ashtray enclosure to hold them facing each other. I'm not sure about the ashtray because my two daughters ride back there tho.