Where is the fuel pump relay in the engine compartment fuse box?

The Fuel Pump Relay is on the right side of the fuse box, second from the bottom, between the Horn Relay and the PCM Power Relay.

What relays are located in the engine compartment fuse box?

From top to bottom on the right side: the 4 WABS Relay #2 (Bronco only) / Fog Lamp Relay (Lightning only), Trailer Marker Lamps Relay, Horn Relay, Fuel Pump Relay, and PCM Power Relay.

How are the fuses identified in this fuse box?

Fuse positions are identified by letters A through U — A through K in the left column (bottom to top) and L through U in the center column (bottom to top).

What is the top-right relay in the panel?

It serves as the 4 WABS Relay #2 on Bronco models only, and as the Fog Lamp Relay on Lightning models only.

Does this diagram show fuse amperage ratings?

No. It only shows the physical layout of lettered fuse positions and relay locations; no amperage ratings or circuit functions are listed.

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Ford Bronco / F-150 Engine Compartment Fuse Box Diagram - Relay Locations

Ford engine compartment fuse box relay layout — PCM power, fuel pump, horn, trailer marker, fog lamp relays

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Engine-compartment fuse/relay box layout chart with lettered cavities A-U and relay positions: PCM power, fuel pump, horn, trailer marker lamp, and Bronco/Lightning fog/4WABS relays.

AI caption February 2006 · Photo 189 of 484

This document is a layout diagram of the engine compartment fuse box for a Ford truck (referenced applications include the Bronco and the Lightning). It shows the physical arrangement of fuse positions and relays inside the underhood fuse/relay panel. Fuse positions are identified by letters A through U, arranged in two columns: A, B, C, D, E, F, G, H, I, J, K on the left side (plus two unlabeled positions at the top) and L, M, N, O, P, Q, R, S, T, U in the center column. Along the right side of the panel are five relay positions: the top relay is labeled '4 WABS Relay #2 (Bronco only) / Fog Lamp Relay (Lightning only)', followed by the Trailer Marker Lamps Relay, Horn Relay, Fuel Pump Relay, and PCM Power Relay. The diagram does not include amperage ratings or circuit descriptions for the lettered fuse positions; those details are presumably covered in a companion fuse description chart. A reader can use this diagram to locate a specific fuse or relay position within the engine compartment fuse box, particularly the fuel pump, horn, PCM power, trailer marker lamp, and 4WABS/fog lamp relays.

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Frequently asked questions

Where is the fuel pump relay in the engine compartment fuse box?: The Fuel Pump Relay is on the right side of the fuse box, second from the bottom, between the Horn Relay and the PCM Power Relay.
What relays are located in the engine compartment fuse box?: From top to bottom on the right side: the 4 WABS Relay #2 (Bronco only) / Fog Lamp Relay (Lightning only), Trailer Marker Lamps Relay, Horn Relay, Fuel Pump Relay, and PCM Power Relay.
How are the fuses identified in this fuse box?: Fuse positions are identified by letters A through U — A through K in the left column (bottom to top) and L through U in the center column (bottom to top).
What is the top-right relay in the panel?: It serves as the 4 WABS Relay #2 on Bronco models only, and as the Fog Lamp Relay on Lightning models only.
Does this diagram show fuse amperage ratings?: No. It only shows the physical layout of lettered fuse positions and relay locations; no amperage ratings or circuit functions are listed.