i agree...ntm, doesnt the alt charge the battery with the least path of resistance 1st? Your alt might have been charging the red top 1st... and if you didn't let your car run for a while, or doing something when you had to drive around for like a 1/2 hr ish b4 bumpin your music (so your alt can charge ur front, and some of you back batts), so what ever power was in the D1200's when you 1st bought em may have be depleted if you just installed them, and started bumoin hard, w/o charging em at all
thats what im thinkin, but i could be wrong...
im no professional, i just stayed at a holiday inn last night