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6x9
In order to replace the speakers you have to flip down the rear seats and look at the screw ports and remove all the screws to remove the panel covering the speakers. The rest is self explanatory.
Crutchfield.com has a easy to use tool to find out. It asks you the year, make, model, elt... An alero has 6x9 in the rear.
Begin by removing the cover from your rear speakers. Remove the rear speaker retaining screws. Remove the wiring harness from the back of the speaker. The rear speakers will come out.
you have to remove the entire deck lid inside to remove the rear speakers. remove the side of the interior that is right on top on the deck lid and covering part of the roof liner. remove the big blk plastic push clips holding the deck lid and carpet to the trunk. it should be able to come out now and expose the rear speakers
Remove the cover from your 2001 Kia rear speakers. Remove the rear speaker retaining screws. Remove the wiring harness from the back of the speakers. Reverse the process to install the new rear speakers.
Remove rear seat, them remove rear deck to get to the speakers.
You will need to remove the covers from your 1996 Integra rear speakers. Remove the speaker retaining screws. Remove the wiring harness from the back of the speakers.
Remove the rear speaker covers in your 1994 Chevy Cavalier. Remove the rear speaker retaining screws. Remove the wiring harness from the back of the rear speakers.
Remove the covers to your 2000 Chevy Malibu rear speakers. Remove the speaker retaining screws. Remove the wiring harness from the back of the speakers. Reverse the process to install your new rear speakers.
The 2004 Oldsmobile Alero fuse box can be found in the engine compartment. The location of the rear defroster fuse will be listed on the inside cover of the fuse box.
Remove the dash pad, then remove the speakers from the dash frame. For the rear speakers, open the trunk and remove the brackets, that hold the speakers in place. not for the back speakers ..you have to remove the lower rear seat then remove the seat belts then the rear seat back then remove the header panels in the back seat then remove the deck cover ..the rear speakers are bolted in from the top down under the rear deck cover....and the front speakers i believe are mounted in the door panels in the front doors ..you have to remove the door panels to remove them .some do have them in the dash also if they are there u do as the person stated before me.