How do you rest the fuel pump shutoff switch on a Mustang?

There isn't a single "fuel pump shutoff switch" that's standard equipment on Mustangs across all years and models. Some Mustangs might have an aftermarket fuel pump shutoff switch installed, while others don't have one at all. The location and method of resetting would depend entirely on *where* and *how* such a switch was installed.

If you have a fuel pump shutoff switch, you'll need to:

1. Locate the switch: This is the crucial first step. It could be under the dash, in the engine bay (though less common for safety reasons), or even in the trunk. Look for a labeled switch or consult the installation instructions if you had it professionally installed, or any documentation related to the aftermarket installation.

2. Determine the switch type: Is it a simple on/off toggle switch? A push-button? A circuit breaker? The method of resetting will vary.

3. Reset the switch:

* Toggle switch: Simply flip the switch to the "on" position.

* Push-button: Push the button to reset it. Some might require holding it down for a second or two.

* Circuit breaker: If it's tripped, there's usually a lever or button to reset it. You might need to investigate why it tripped in the first place (a short circuit, overloaded circuit, etc.).

If you're having fuel pump issues and *don't* have an aftermarket shutoff switch: The problem is *not* the shutoff switch. You should troubleshoot other potential causes, such as a faulty fuel pump relay, blown fuse, wiring problems, or a malfunctioning fuel pump itself. Attempting to force a nonexistent switch to reset won't help. Consulting a repair manual specific to your Mustang's year and model is recommended.