* Under the hood in the fuse box: This is the most common location. The fuse box is usually located either near the battery or on the driver's side fender. Check the fuse box diagram on the inside of the lid to locate the fuel pump relay.
* Under the dash: Less common, but possible. Look for a smaller fuse box or relay panel under the dashboard. Again, a diagram should be present.
To find it definitively:
1. Consult your owner's manual: This is the best source of information for your specific vehicle. It will have a diagram showing the location of all fuses and relays.
2. Use a wiring diagram: A wiring diagram specific to your 1992 Chevy Blazer S10 Tahoe 4x4 (you can find these online through various automotive parts websites or repair manuals) will show the location and circuit for the fuel pump relay.
3. Visual Inspection: Start by carefully examining the fuse boxes under the hood and under the dash. Relays are usually square or rectangular and may be labeled.
Without your specific trim level and engine size, providing an exact location is impossible. Always refer to your owner's manual or a wiring diagram for precise locations.
