hey guys im still having voltage problems in the truck 2002 blazer 4dr with a 4.3L, right now i got a 160amp alternator(AD244 case) and 2 yellow top batteries everything in knu flex 0 guage, battery grounded thru the body and right on the frame in the back and a pro series MLA running at the 15.3 and if i turn the system up to 28 out of 35 the truck dimms HARD like into the 12s while im driving (gains set with a o-scope). im running a t20001bd(1ohm) and a t8004, and in the future im gonna be running 380c Viair compresser. . .
am i gonna need to replace the battery out back with something bigger or add a second alternator? any help will be appreciated
thx