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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 >> Principles of Operation >> Windshield Washer System
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Windshield Washer System

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.
NOTE: The smart junction box (SJB) may also be identified as the generic electronic module (GEM).

The SJB supplies power to the multi-function switch from fuse 25 (20A) when the ignition switch is in the ON or ACC position. The windshield washer pump receives power from the multi-function switch when the wash function is turned ON. The windshield washer pump has a direct ground to the chassis.