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Where is the fuel pump relay on a 2003 Kia Optima?

The fuel pump relay location on a 2003 Kia Optima isn't standardized across all trim levels and might even vary slightly depending on specific options. There isn't one universally agreed-upon place.

To find it, you'll need to consult your owner's manual. This is the most reliable source. The manual should have a fuse box diagram showing the relay locations.

If you don't have the manual, you can try these common locations:

* Under the hood, in the main fuse box: This is the most likely location. The fuse box is usually located near the battery. Look for a diagram on the inside of the fuse box cover.

* Under the dash, near the steering column: Some Kia models place relays in a secondary fuse box under the dashboard.

Important Note: When working with electrical components, always disconnect the negative terminal of the battery first to avoid short circuits and potential injury.