In a 1995 Mercury Cougar XR-7, the Engine Control Unit (ECU), also known as the Powertrain Control Module (PCM), is typically located in the engine compartment. Specifically, it can be found mounted on the driver's side fender well, near the battery. Accessing it may require removing some components or covers for better visibility. Always consult the vehicle's service manual for detailed instructions if you need to work on or replace the ECU.
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