The fuel pump is in the tank, and the tank must be removed to access it.
where is the PCM located on Mercury Villager 97
The electric fuel pump is inside the fuel tank
There is no such device on a '97 villager.
fuel pump relay is located on the left side trunk and it is a small panel up towards the trunk.
A 97 Mercury Villager should use r134a type freon. The valve size is designed so that the r12 fittings cant accidentally be used.
Where is the fuel pump relay on a 97 eclipse?"
Pump, fuse, or fuel pump relay.
Go to a Ford dealer.
On a 1997 Mercury Mountaineer : The fuel pump shut off switch ( inertia switch ) is in the front passenger footwell , by ( or behind ) the kick panel
There is no such thing as a 1987 Villager, I assume you mean a '97. The water pump is in the center of the engine in front, behind and above the crank pulley. To remove it requires that the crank pulley be removed, which may require special tools.
On the frame rail, left side.