* On the frame rail: This is the more common location. Look along the frame rail near the fuel tank, often towards the rear of the vehicle. It will likely be a cylindrical canister.
* In the fuel tank: Less common, but possible on some 1996 Dakota models. If it's in the tank, you'll need to drop the tank to access it.
To be certain, you must consult your owner's manual or a repair manual specific to your 1996 Dodge Dakota's engine. The engine size (e.g., 3.9L, 5.2L, 5.9L) will be crucial in pinpointing the exact location. A quick online search for "[Your Dakota's engine size] 1996 Dodge Dakota fuel filter location" should also yield diagrams and helpful information.