* Under the hood in the fuse box: This is the most frequent location. The fuse box is usually located near the battery. Check the fuse box diagram on the inside of the lid to locate the fuel pump relay. It will likely be labeled clearly.
* Inside the passenger compartment fuse box: Less common, but possible. This fuse box is typically located under the dashboard on the passenger side. Again, check the diagram on the inside of the box.
To find it definitively:
1. Consult your owner's manual: This is the best resource, as it will show you the exact location for your specific vehicle.
2. Use a wiring diagram: A wiring diagram for your 1993 Chevy S10 will clearly show the fuel pump relay's location and circuit. You can often find these online through automotive repair websites.
3. Visual inspection: Once you've identified the likely fuse box locations, carefully examine the relays inside. Many relays are interchangeable, so the diagram is essential for positive identification.
Remember to always disconnect the negative battery terminal before working with any electrical components in your vehicle.
