Heated Glass (Defrost, Defogger) Circuits: Overview & Testing
Parallel (each horizontal line acts as a separate branch). shema obogreva zadnego stekla lanos
Momentary switch (button) activating a relay. 🛠️ Key Components & Locations Fuse Ef7 (30A) Engine Room Fuse Box Main power supply for the heating grid. Fuse F11/F12 (10A) Cabin Fuse Box Power for the control circuit and switch indicator. Defroster Relay Engine Room Fuse Box Typically labeled as "Rear Window Defroster Relay". Control Switch Center Console Momentary push-button with a built-in LED indicator. Heating Grid Rear Glass Parallel rows of conductive lines. 🔌 Wiring Logic The circuit operates in two stages: Control and Load . Heated Glass (Defrost