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Where is the fuel relay sensor in a 1989 Ford Tempo?

The 1989 Ford Tempo doesn't have a "fuel relay sensor." There's a fuel pump relay and it's *not* a sensor; it's an electrically operated switch. It doesn't *sense* anything, it simply switches power on and off to the fuel pump.

The location of the fuel pump relay in a 1989 Ford Tempo varies slightly depending on trim level and whether it has air conditioning. It's typically located in one of these places:

* Under the hood in the fuse box: This is the most common location. The fuse box is usually located near the battery. Check the fuse box diagram on the inside of the fuse box lid to locate the fuel pump relay.

* Inside the car: Less common, but some models might have it in a fuse panel inside the car, often under the dashboard.

To find it:

1. Consult your owner's manual: This is the best place to start. The manual should have a fuse box diagram showing the location of all relays and fuses.

2. Check the fuse box under the hood: Look for a diagram on the inside of the cover. The fuel pump relay is usually labeled, or you can compare the relay to the diagram to identify it.

3. If you can't find it under the hood, check inside the car: Look for a fuse panel under the dash, often near the steering column.

It's highly recommended to check your owner's manual first. If you don't have it, you can often find a digital version online by searching for "[year] [make] [model] owner's manual"

Remember to always disconnect the negative battery cable before working with electrical components in your vehicle.