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well this 01 grand am came in last week, made a sratching noise through one speaker when you hit a bump, bad speaker right. well i fadded to separte each speaker to find which wasnt working right rear was the one, so i go in the trunk and wiggle the tinsel led and it starts working, so i through new speakers in the back. oh ya completely stock system and no one touched it before. well i replaced them and everything was fine. well it came back today still made noise when you hit a bump and when the car is off it makes a noise. well i popped the door panels off and checked them they all seem to be working fine and i checked the leads an dnothing happened but still could be a bad speaker. but the part that got me is when you shut the car off and just sit there and you can hear noise cumming from the speakers its like teh radio is searching for a cd track or something it does it for 5 minutes. and thats with the radio completely off. you have to open the door to turn it off. so i dont know whats wrong. i told them it was probaly the radio.

Sounds to me like the radio has a short inside, and its easer to notice when you first shut off the engine. I beleive the grand am has the same set up as my S10. When you first shut off the motor, the radio and all electronic devices keep power till you open the door. If that is the case, its probably doing it all the time, but you don't hear it over the motor, or when the radio is playing.

ya thats what i was thinking hopefully im right cause thats what i told them

weird...

Maybe it has a factory amp thats taking a dump?

it has a factory amp and im pretty sure when you wire in a new deck you bypass it, the monsoon systems are a piece anyway

Ok so let me get this straight.

Someone comes in whith their car, stock everything. Complains of said noise.

You replace the rear speakers with aftermarket. The noise continued. When you replace I mean just a straight swap out.

This car has the monsoon system with factory amp...

If thats the case IMO its the factory amp. Many time the factory amps sound like crap when you change out the speakers- which Im sure you already know.

the rear speakers were shot, you could move the tinsel lead when they were playing and shut them off or get them to crackle. andwas there before i replaced the rear speakers. i think its something in the deck because of the way it sounds. its like it keeps searching for a track or something long after the radio is off.

ya and i know you shouldnt replace aftermarket speakers when everything else is factory but thats what they wanted to try at first. i think i got them talked in to a new deck and that bypasses the factory amp.

Which is the best alternative.

Also replacing the front speakers for obvious reasons. Even if it is with some lower line speakers. Stock stuff sucks- doesnt matter if it is Monsoon of Infinity...

ill end up replacing the fronts when i do the deck install. ya about anything factory sounds like ass. my bro just got an 03 caddy cts, very nice car but is suppose to have this 1800dollar bose option. and it sounds like someone is farting in a can. everything sounds really tinny. and it has like a 10/12" "sub" in the rear deck and i looked at it and its so pathetic. it might have 1mm of travel and no magnet at all. i give him shit about it all the time. he really likes the grills for dls and wanted to know if he could just buy them but i wouldnt let him have dls grills on that crappy sounding car. im gonna try and get him to replace all the factory speakers with the DLS