Did you run a new, dedicated power feed wire from the battery to the Alpine HU like the other poster advised?
Gotta do that with the Alpines. They want too much juice for the stock harness. The lights in the Alpine are dimming because you are strangling it for power. Run a good power wire for it and the dimming will stop. The sound will improve as well.
Dan
00 Black Corvette FRC, headers, ram air, etc.
99 Cougar V6, RIP (was loud)
02 CBR954RR, now with full race exhaust
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