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Where is the relay for fuel pump on a 1994 GMC Jimmy?

The fuel pump relay location on a 1994 GMC Jimmy is under the hood, typically in the underhood fuse block or relay center. However, the exact location within that block varies slightly depending on the specific engine and options installed on your vehicle.

To find it:

1. Locate the underhood fuse block/relay center: This is usually a plastic box near the battery, often with a cover.

2. Consult your owner's manual: Your owner's manual should have a diagram showing the fuse and relay locations. This is the most reliable way to find it.

3. Look for a diagram on the fuse box cover itself: Many fuse boxes have a diagram printed on the inside of the cover.

4. Look for a relay that's labeled "Fuel Pump" or has a similar designation: The relay itself might be labeled, or you might find a label nearby.

5. If you cannot find it visually, and you have a multimeter, you could test the relays one by one to see if one controls the fuel pump circuit. This requires basic electrical knowledge and safety precautions.

If you can't locate it after checking these areas, a visit to a local auto parts store or a search online for a specific diagram based on your engine (e.g., "1994 GMC Jimmy 4.3L fuel pump relay location") may provide a more precise answer.

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