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Control Unit, Def Heater: Installation: Installation

WARNING: This page is about a different car, the 2014 RAM 1500. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Diesel Exhaust Fluid Heater Control Unit & Connector
GC0158037Courtesy of CHRYSLER GROUP, LLC
  1. Connect the Diesel Exhaust Fluid (DEF) Heater Control Unit (HCU) wire harness connector (1).
    Fig 2: Diesel Exhaust Fluid Heater Control Unit & Nut
    GC0158127Courtesy of CHRYSLER GROUP, LLC
  2. Install the DEF HCU (1) and securely tighten the retaining nut (2).
  3. Lower the vehicle.
  4. Connect negative battery cable.