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Ford Fuel Pump Relay Connector Pinout - Wire Colors & Pin Functions

Ford fuel pump relay connector 4-pin wire color chart with photos easyautodiagnostics
Ford fuel pump relay connector 4-pin wire color chart with photos easyautodiagnosticsOriginal file
Ford fuel pump relay connector 4-pin wire color chart with photos easyautodiagnostics

Reference · 1972-1976 RancheroAll 12 wiring diagrams

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Ford fuel pump relay 4-pin connector pinout chart with wire colors and functions, illustrated with two connector photos; pin 1 controls the fuel pump relay, pin 3 is fuel pump output.

Part of 1972-1976 Ford Ranchero Wiring Diagrams

AI caption · Photo 784 of 1042

This document is a fuel pump relay connector pinout reference for Ford vehicles, sourced from easyautodiagnostics.com. It consists of a four-row table identifying each pin of the fuel pump relay connector by number, wire color, and circuit function: Pin 1 is Tan with a Green stripe for Fuel Pump Relay Control; Pin 2 is Red for Power from the EEC Power Relay; Pin 3 is Brown for Fuel Pump Output; and Pin 4 is Yellow for Ignition Fused Power via the Fuel Pump Fuse. A note cautions that the reader's specific Ford vehicle may have different wire colors. Below the table are two annotated photographs: on the left, the relay's red/green connector socket with numbered orange callouts (1-4) identifying each terminal cavity; on the right, the relay itself plugged into its green connector with the same numbered callouts pointing to the corresponding wires (yellow, gray/brown, red, tan). This reference helps a reader locate and test each circuit at the fuel pump relay connector, such as verifying ignition power, EEC power relay output, relay control signal, and the output wire feeding the fuel pump.

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Frequently asked questions

What does Pin 1 on the Ford fuel pump relay connector do?
Pin 1, a Tan wire with a Green stripe, is the Fuel Pump Relay Control circuit.
Which wire on the fuel pump relay is the output to the fuel pump?
Pin 3, the Brown wire, is the Fuel Pump Output.
Where does the fuel pump relay get its power?
Pin 2 (Red) receives power from the EEC Power Relay, and Pin 4 (Yellow) receives Ignition Fused Power through the Fuel Pump Fuse.
Are these wire colors the same on every Ford?
No. The document states that your specific Ford vehicle may have different colors.

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