Where is the fuel pump relay switch on a 1997 Ford Explorer?

The fuel pump relay location on a 1997 Ford Explorer is in the Power Distribution Box (PDB), also sometimes called the fuse box under the hood. However, there isn't a single, universally labeled "Fuel Pump Relay". It's often integrated into the system and might be part of a larger relay module or simply a relay without a specific "fuel pump" designation.

To find it, you'll need to:

1. Locate the Power Distribution Box: This is usually a large black plastic box under the hood, often near the battery.

2. Consult your owner's manual: This is the best source for a diagram showing the relay locations and their functions. The manual should identify the relay for the fuel pump (it might be labeled something less specific, like "EFI Relay" or similar).

3. Use a wiring diagram: If your owner's manual doesn't have a clear diagram, you can find wiring diagrams online for a 1997 Ford Explorer (search for "1997 Ford Explorer wiring diagram"). These diagrams will show the relay location and circuit paths.

4. Look for a relay that is likely to be the fuel pump relay based on its proximity to other related components: It is often located near relays for other engine management systems.

Important Note: Working with relays and electrical systems requires caution. If you are not comfortable working with automotive electrical systems, it's best to take your vehicle to a qualified mechanic. Improper handling can lead to damage or injury.