Question about removing Bose and installing Pioneer

[secondchance]

Originally Posted by max76

I secondchance...i have all the bose system (head unit and speaker) but i insallet 4 little amp in every speaker box (if i remember correctly 25watt), they work good with the original cable, but when i turn on there is a popping as you say and also i hear the alternator whine...and when you run the car is very very noise...how i can erase this noise? Thanks in advance

Do you hear these noises in all 4 speakers? Most likely not. If so, replace the amps on the side where you hear the popping and/or whine. Factory system should run noise free as was installed.