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Home >> Ford >> 2012 >> Mustang Base, 2D Coupe, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 189 (Windows And Glass - Glass, Frames And Mechanisms - F150) >> Diagnosis And Testing >> Glass, Frames and Mechanisms >> Pinpoint Tests >> Pinpoint Test E: A Single Power Window is Inoperative - LH Rear >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2012 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.

The LH rear window control switch receives voltage from the LH front window control switch when the lock-out switch is in the UNLOCK position. Ground is also provided to the LH rear window control switch from the LH front window control switch. The LH rear window control switch transfers voltage and ground to the power window motor. Window direction is controlled by reversing polarity of the voltage and ground circuits being supplied to the power window motor.

When operating the LH rear window from the LH front window control switch, voltage and ground is sent from the LH front window control switch through the normally closed contacts within the LH rear window control switch. Window direction is controlled by reversing polarity of the voltage and ground circuits being supplied to the power window motor.

This pinpoint test is intended to diagnose the following: 

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