The PCM relay, which assists the PCM by securing certain electronic connections to it, is found in one of two locations on the 2009 Lincoln MKS. Most often, they can be found within a panel that is underneath the passenger-side seat flooring. Sometimes, however, they can also be placed directly under the seats as well. This typically happens when the car has been attended to by a mechanic, or when the car is serviced. If they are under the seats, they are typically installed within a panel as well. If You cant find these relays, or identify the PCM relay within the panel, consult our owners manual. It should help You identify the different components and make things easier.
Ricky N
July 16, 2020
The 2009 lincoln mks pcm relay location is normally under the passenger floor board, but sometimes they can be under the seats instead.
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