Three Speed Fan Operation

Although the PCM output circuits are called low, medium, and high fan control (FC), cooling fan operation is controlled by a combination of these outputs.

Refer to ENGINE CONTROL COMPONENTS for system information.

Fig 1: Low Fan Control (LFC) Relay Connector

Courtesy of FORD MOTOR CO.

Fig 2: Medium Fan Control (MFC) Relay Connector

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Fig 3: High Fan Control (HFC) Relay Connector

Courtesy of FORD MOTOR CO.

Fig 4: Left Fan Motor Connector

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Fig 5: Right Fan Motor Connector

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Fig 6: Powertrain Control Module (PCM) Connector

Courtesy of FORD MOTOR CO.