Sensor, Water In Fuel: Description: Description
WARNING: This page is about a different car, the 2014 RAM 3500 HD and 2014 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
For 2013 model year there are two Water-In-Fuel (WIF) sensor being used. The primary one is located on the engine, and the secondary one is located on the frame rail near the fuel tank.
Fig 1: Identifying Drain Valve, Drain Hose, Mounting Screws, Sensor Harness Connector & Filter Housing
The primary WIF sensor (3) is located on the bottom of the fuel filter/water separator housing (1).
The secondary WIF sensor (3) is located on the bottom of the fuel filter (1).