Fuel Pump Circuit Wiring Diagram (1991 3.0L V6 Ford Taurus, Mercury Sable)

3.0L V6 Ford Taurus: 1991.
3.0L V6 Mercury Sable: 1991.

APPLIES TO: This fuel pump circuit wiring diagram applies to the following vehicles:

The wiring diagram includes the following circuits:

PCM Power Relay: Found inside the Integrated Control Relay Module assembly.
Fuel Pump Relay: Built into the same Integrated Control Relay Module.
Fuel Pump Inertia Switch: Located in the trunk on sedans or cargo area in wagons, near the right rear wheel well.
Fuel Pump: Mounted inside the fuel tank.

CHECKING FUEL PRESSURE: This tutorial explains how to do the fuel pump pressure test with a fuel pressure test gauge:

FUEL PUMP INERTIA SWITCH DIAGNOSTICS: The tutorials below will walk you through the fuel pump inertia switch tests step by step.

Related Fuel Pump Circuit Wiring Diagrams

You can find a complete list of wiring diagrams and diagnostic test tutorials here:

Here's a sample of the tutorials you'll find there:

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