No,oooo, I'll tell you where it is, but you really don't want to mess with this one. It is located behind the instrument panel glove box. The SRS (air bags) system must be disabled. The passenger air bag needs to be removed. Any static electricity created while removeing or installing the PCM could damage the computer. Oh, and it must be stored on an anti-static pad once removed. Scared yet? Take it to a dealer. If they screw it up, they gotta fix it.
Powertrain Control Module
The cruise control module of a 1993 Mercury Villager is located under the passenger side of the dashboard.
The cruise control computer module is located on the passenger's side of the engine compartment on a 1993 Mercury Villager.
PCM stands for Powertrain Control Module on a Mercury Sable
Powertrain Control Module
The ignition control module sit directly below the distributor.
The ignition module is integral to the distributor and is not serviced as as separate part.
On a 1999 Mercury Sable : Relay # 30 is the Powertrain Control Module ( PCM ) relay
Deep under the dash in the center area.
The powertrain control module is one of the electronic control modules used on a vehicle. Others include antilock brake, airbag, transmission, body,
The ignition module and coil are contained inside the distributor and are not serviced as separate parts.
Powertrain control module