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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1642 (Wiper System & Washer System) >> Description and Operation >> Wiper/Washer System Description and Operation >> Heated Washer Nozzles

Heated Washer Nozzles

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

The heated washer nozzles have an electrical heating element molded into the nozzle assembly. This prevents washer fluid icing on the nozzle during cold conditions. The heated nozzles operate only when the rear window defogger is activated.

When the rear window defogger is activated, the DEFOG relay switch is closed. This applies B+ to the OSRVM HTR fuse. The OSRVM HTR fuse supplies voltage to both the outside rearview mirror heating element and the heated washer nozzles. Current passes through the washer nozzle heating element, warming the nozzle.

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