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Home >> Ford >> 2004 >> Excursion 6.0 P, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1736 (Wiper System And Washer System) >> Diagnostic Tests >> Wipers and Washers >> Pinpoint Tests >> Pinpoint Test H: The Washer Pump is Inoperative - Front >> Normal Operation
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Normal Operation

WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

The multi-function switch supplies power to the windshield washer pump on circuit 686 (TN/RD) when the wash function is ON. The windshield washer pump is grounded on circuit 57 (BK).

Possible Causes

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