If you're talking about the oil pan, it's on the bottom/side (facing the back of the car). It's either a 13mm or 16mm (I forget which) on my 2.0L. There are other drain plugs on cars, so your question should be more specific.
Where is the radiator drain plug on a 2005 dodge neon?
It doesn't have one. You have to remove the pan to drain.
There is no drain plug in the tank on this car.
There isn't a drain plug on the converter.
Counter clock wise
The big pan underneath with the oil drain plug in it
On my 1998 dodge Neon Sport the oil filter is near the oil drain plug beside the oil pan.On my 1996 Neon Under the car toward the front of the engine on the passenger side. Easiest car I have in our family to do
The automatic transmission does not have a drain plug. You remove the pan to drain the fluid.
Drain plug for what? Engine, transmission, radiator, gas tank??
The oil drain plug is located on the oil pan underneath the block.
The transmission fluid on a 2005 Dodge Neon is changed by placing a drain pan under the vehicle, removing the drain plug, and allowing the transmission to empty. The drain plug is installed, fluid added through the filler tube, and the level tested via the dipstick.
If it's the "oil" drain plug, the size wrench is, better yet use a socket wrench=13mm.