Monday, November 17, 2014
Where Is the Fuel Pump Switch on a 1991 Ford Explorer
The fuel pump switch is also known as the inertia switch, a device that prevents fuel from going to the engine if your 1991 Ford Explorer happens to get into a collision. It also enables the fuel pressure to be relieved.
Location
The inertia switch can be found mounted on the floor pan on the passenger side inside your Explorer; look below the heater unit. It will have an electrical connector attached to it.
Servicing the Fuel System
Disconnect the electrical connector that is attached to the inertia switch when performing a task such as relieving the fuel pressure on your Ford Explorer. Whenever youve finished servicing the fuel system, reattach the electrical connector to the switch. You do not need any tool for removing and attaching the connector.
Reset Button
The inertia switch also has a reset button at the top to use in the event the switch was activated during a procedure like relieving the fuel pressure, which would create a popping-like sound. Simply push the button to reset the switch if this occurs.
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