i just got a 98 grand prix gt and i was listening to the radio and a fair amount of feedback coming from the two rear speakers (under the rear window). is this a common problem and how can i fix this? i have the single cd player with equalizer.
much thanks from a new grand prix owner
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1998 Pontiac Grand Prix GT
WizAired CAI, Impala 12" Brake Upgrade, ZZP Alternator Rewire and Voltage Booster, Rotated Dogbone Mounts, Kicker KS690 6x9s, JBL GTO427 4s, JBL P652S 6.5s
2001 Ford F150 XLT SuperCab
Stock, LineX, 212K