What fuse powers the fuel pump relay on the 2001 F-150 5.4L?

Fuse 10, a 20A fuse in the Battery Junction Box (see page 13-4), on a circuit hot at all times, feeding the fuel pump relay via wire 1059 LB/OG.

What wire color feeds the fuel pump on a 2001 F-150 5.4L?

Circuit 238 DG/YE runs from the fuel pump relay to the Inertia Fuel Shutoff Switch (connector C204), then circuit 787 PK/BK continues through C150M/C150F to the fuel pump module.

What does the inertia fuel shutoff switch do?

It is a safety device that cuts power to the electric fuel pump if a collision occurs. The switch must be reset manually.

What are the fuel level sender resistance values?

The sender is a variable resistor connected to a float in the fuel tank: resistance is low (22.5 ohms) when fuel is low and high (145 ohms) when fuel is high.

Which PCM pin receives the fuel tank pressure sensor signal?

The FTP sensor signal travels on circuit 791 RD/PK through connectors C150F/C150M and C174 to PCM pin 62.

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2001 Ford F-150 5.4L Fuel Pump Wiring Diagram - Relay, Inertia Switch, PCM

Ford 2001 P-150 engine controls 5.4L wiring diagram page 25-7 with circuits and connector codes

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Factory wiring diagram for 2001 Ford P-150 5.4L engine controls showing fuel pump, PCM and connector circuits with color codes.

AI caption August 2008 · Photo 342 of 4867

This is page 25-7 of a Ford factory wiring diagram manual, covering Engine Controls (5.4L) for the 2001 Ford F-150 — specifically the fuel pump circuit. It shows power flow from a 20A fuse (position 10) in the Battery Junction Box through the Fuel Pump Relay (pins 30, 85, 86, 87, 87A), then via circuit 238 DG/YE to the Inertia Fuel Shutoff Switch and onward as circuit 787 PK/BK to the Fuel Pump Module. The diagram includes the fuel level sender circuit (29 YE/WH to the Instrument Cluster), the Fuel Tank Pressure (FTP) Sensor wiring (351 BN/WH and 359 GY/RD, with 791 RD/PK signal to PCM pin 62), and grounds G104 and G201 through splice S400. Callouts explain that the inertia switch cuts fuel pump power in a collision and must be reset manually, and that the fuel sender is a variable resistor (22.5 ohms low fuel, 145 ohms full). Connector identifiers (C204, C237, C148, C150, C158, C160, C174, C415, C465) and cross-references to other manual pages (13-4, 25-2, 25-6, 62-2, 10-7, 10-11, transmission pages 29-2 through 30-2) are included, along with PCM pin numbers and wire colors. A note marks 4R100 transmission applicability.

This document covers 2001, which may differ from this 2007 Ford Mustang.

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Frequently asked questions

What fuse powers the fuel pump relay on the 2001 F-150 5.4L?: Fuse 10, a 20A fuse in the Battery Junction Box (see page 13-4), on a circuit hot at all times, feeding the fuel pump relay via wire 1059 LB/OG.
What wire color feeds the fuel pump on a 2001 F-150 5.4L?: Circuit 238 DG/YE runs from the fuel pump relay to the Inertia Fuel Shutoff Switch (connector C204), then circuit 787 PK/BK continues through C150M/C150F to the fuel pump module.
What does the inertia fuel shutoff switch do?: It is a safety device that cuts power to the electric fuel pump if a collision occurs. The switch must be reset manually.
What are the fuel level sender resistance values?: The sender is a variable resistor connected to a float in the fuel tank: resistance is low (22.5 ohms) when fuel is low and high (145 ohms) when fuel is high.
Which PCM pin receives the fuel tank pressure sensor signal?: The FTP sensor signal travels on circuit 791 RD/PK through connectors C150F/C150M and C174 to PCM pin 62.