We have complete instructions at our enthusiasts forum
www.trailvoy.com
if it is a non bose factory system your truck takes 6 1/2 inch speakers in bot thte front and rear doors
The speaker size for a 2004 Chevy Trailblazer is 6 1/2 inches. This includes the front, door, and rear speakers.
Yes
remove and replace engine coolant temperature(ect)/chevy 2004 trailblazer
Seeing as your not that savvy.. take it to a 'lube shop let them change your oil
How to remove the factory radio and disconnect wirring harnes in a 2004 f150 ford truck
I need a diagram for the vacuum lines on a 2004 Chevy trailblazer
We have a complete "how to" with pictures at our enthusiasts forum www.trailvoy.com
5x8 in the doors and 6x9 in the rear dash
There is an amp only if equiped with factory infinity stereo with 7 speakers. If so, the amp is behind the glovebox.
To remove the rear speakers in a 2004 Grand Prix GT, first, disconnect the battery to ensure safety. Then, remove the rear speaker grilles by gently prying them off. Next, unbolt the speakers from their mounting using a screwdriver, and disconnect the wiring harness. Finally, lift the speakers out of their locations.
where is map sensor on 2004 trailblazer