Compatible with Cadillac DeVille 2000-2005 Rear Deck Factory Replacement Harmony HA-R69 Speakers

hello this is detailing pop I got a 2003 Cadillac DeVille doing a subwoofer replacement it's a factory subwoofer he goes right here in the back right behind the back seat you don't got to take out the whole back seat there's these pins right in see it right there push them down pop it up before them come on right here one right here one right here move this move the whole seat up there's a seat belt there's a seat belt little pacing right here you just pop that out lift this up that is out of the way I found the MTX Thunder Pro 500 watt I'm gonna use I had a laying around so I'm going to use it here's the old sub woofer got little pins right here you just pry these up and they pop out set this aside you might need them I don't know then the whole sub woofer pops right out of course you can see I already pre-cut the wires I'm getting ready to mount this big boy right there see that yep a