On a 1999 Mercury Mountaineer :
The ELECTRIC fuel pump is INSIDE the fuel tank . It is installed through an
access hole on the top of the fuel tank
In a 1999 Mercury Mountaineer : In the Power Distribution Box ( which is " live " ) located in the engine compartment , on the drivers side of the engine compartment ( relay # 5 is the fuel pump relay )
According to the 1999 Mercury Mountaineer Owner Guide : The fuel pump shut off switch ( inertia switch ) is in the front passenger footwell , behind the kick panel
The 1999 Mercury Mountaineer owners manual shows : unleaded fuel only - 87 octane as the recommended fuel
On a 1999 Mercury Mountaineer : The fuel pump relay is in the Power Distribution Box ( which is " live " ) located in the engine compartment on the drivers side You can view the 1999 Mercury Mountaineer owners manual online at : www . motorcraft service . com ( no spaces ) Click on Owner Guides ( the fuses and relays section starts on page 170 )
take it off
The fuel pump is located inside the fuel tank.
The first model year of the Mercury Mountaineer SUV was 1997 The electric fuel pump is located inside the fuel tank
On a 2001 Mercury Mountaineer : The fuel filter is under the vehicle , below the drivers door , mounted on the frame rail
According to the 1999 Mercury Mountaineer Owner Guide : The fuel pump shut off switch ( inertia switch ) is in the front passenger footwell , behind the kick panel
The electric fuel pump is inside the fuel tank
fuel pump is located in fuel tank under the car. Good luck
Its inside the gas tank. connected to the bottom of the fuel pump.