99grandprixGT
5,000+ posts
now got an 04 grand prix
well first thing make sure you switch out the ground to same gauge as pwr wire. and see it that helps. also are u using the bass boost? you dont want to use that.alt is stockbattery is yellowtop. i think 1000cold crankin amps
4 gauge wiring. my ground is 6 gauge for some reason.
i set gain by ear. ill redo it
