6 1/2 inch round
Rear deck speaker 6x9. Front and rear door speakers 61/2".
The 2006 Nissan door lock relay switch is located inside of the drivers side door. You will need to remove the door panel in order to access the door lock relay switch.
2003 nissan altima visor garage door opener progarming
I recommend going Crutchfield.com as they have instructions on how to install speakers in most cars.
The 2005 Nissan Altima has door speakers that are 6.5 inches. If you are replacing your speakers, you can also use a 5.5-inch size.
A 2008 Nissan Altima has 6 speakers, 2 in the dash, 2 in the door, and 2 in the rear deck.
by opening the inside the door
#25
in the rear window
They may vary according to system. In my non-Bose factory system, it is a 6" Clarion speaker. they are rated at 2 ohms and 40 watts max (25 watts nominal).
The reason why the door ajar light stays on in a 1999 Nissan Altima could be due to the door switch being stuck. It is stated to spray WD-40 into the latch and that should fix the problem.