If You want to know where the fuel pump relay is located on the 2003 Lincoln Navigator, I can help You out. The fuel pump relay on Your vehicle is located on the right passenger side of Your cabin's footwell. The fuel pump relay is covered by a panel door that can be removed to access the panel. The purpose of the fuel pump relay is to provide power to the fuel pump and keep the fuel pressure going so that it reaches the engine. When You are having problems with Your fuel, it's a good idea to check if Your fuel pump relay has gone bad before diving into more expensive repairs.
Carol M
July 16, 2020
The 2003 lincoln navigator fuel pump relay is found in the fuse box located in the engine bay.
mech. c
July 24, 2023
Bypass fuel relay
Mercedestech
May 25, 2022
Wrong the Lincoln navigator and Ford expedition have the fuel pump relay ( #303) built into the fuse box internally whenit goes you either replace the fuse box assembly or wire a bypass relay
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