Nice looking truck! 3.7L or 4.7. Are those rims of an older ram?

 

It's a 3.7 and as far as the wheels I'm not 100 percent sure they were on there when I got the truck.

UPDATE
I solved my problem and all the speakers are working. The guy that owned the truck before me probably had some aftermarket speakers. When I removed the door panel (very easy by the way ) the stock speakers were not hooked up. I decided to ditch the stock speakers and I got some Kenwood's, and I'm very happy with them. Thanks for the input guys.

 

I have an 05 dodge Dakota and on mine the hardest part was the driver door but just be slow so you don't break the clips. There are 4 screws. 1 is located in the little cubby on the door for a phone. There's 1 if you pull your handle back there's one inside there that you need a screwdriver or something to pop that tab. Then there are 2 at the very bottom of the door. The slowly work from the top triangle and work the clips out. Hopefully this helps you or anyone else in need