fuel pump wiring diagram - Ford F150 Forum Aug 11, 2011Ford F150 Forum. The site for Ford truck owners, by Ford truck owners If you shop at Amazon (for anything), use this link to help support FordF150! Looking for recent topics? fuel pump wiring diagram. 5 posts • Page 1 I have an 03 Expedition I'm trying to fix. Does anybody by chance have a wiring diagram for the plug going to 1999 Ford F-150 Fuel System - 2CarPros 1999 Ford F150 Fuel Pump I Turn The Power On And I Went To The Fuel Pump, To Check The Power And Found No Power To The Wires. The Fuse Is Good And The Relay Is Good..