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In a 2003 Honda Pilot, you can find the main relay in the engine compartment fuse box. The ignition main is located in slot 23, which is a 50-amp relay, while the battery relay is in slot 20, a 120-amp relay. To access the fuse box, start by opening the hood. Pull the hood release lever positioned at the top of the driver's door threshold trim panel. Once you hear the hood pop, go to the front of the car, place your fingers between the top of the grill and bottom of the hood, and lift the hood latch. Lift the hood up using the springs that assist in lifting and holding it. On the passenger side of the car, near the firewall, you will find the fuse box. Remove the lid by pulling the tabs.
The main relay for the 2003 Honda Pilot can be found in the main engine compartment under the hood.
The primary relay component (39400-S84-003) is situated beneath the driver's dashboard near the steering column. You can find the 15-amp fuse for the fuel pump in the first slot next to the driver's left foot.
I can't find my fuel pump relay. I must be overlooking it because I don't see anything that matches the part I have from the auto store.