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Home >> Ford >> 2000 >> Contour SE, 2.5 L, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1003 (Instrument Cluster System -- F150 Pickup) >> Diagnosis And Testing >> Instrument Cluster >> Pinpoint Test T: The O/D OFF Indicator Is Never/Always On >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2005 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.

The overdrive (O/D) off function is controlled by the O/D off switch located on the shifter assembly. When the transmission is placed in the O/D off position, the O/D off switch provides voltage to the powertrain control module (PCM) through circuit 224 (TN/WH). The O/D off status is then transmitted to the instrument cluster from the PCM over the communication network.

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