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Home >> GMC >> 2002 >> Jimmy 2D Utility, Part Time, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 1749 (Wiper System And Washer System) >> Diagnostic Information and Procedures >> DTC B3708: Front Washer Motor Input Circuit High >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

The body control module (BCM) monitors the windshield washer pump control circuit 228. When a front windshield wash is requested for more than two minutes, circuit 228 at battery voltage, the BCM will turn OFF the windshield washer pump if the front wiper is NOT requested by the wiper switch.

Battery voltage for the windshield washer pump is supplied through the front wiper fuse and windshield wiper washer switch. Grounding for the windshield washer pump is through circuit 550 or through the OFF position of the rear washer switch, when equipped.

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