I got a request for a 240Z Rear window for sale, so i thought it might be a good reason to get my small power supply and Multimeter out and check them. Unfortunately i didn’t even need my tools. It was already clear by visually checking them that both window defrosters are toast, even if the glass was OK on both. The resistive threads have oxidated and vanished in large areas: It even seems like one of them had some kind of burn at one point: You can’t really see it bot some of the threads are almost gone totally and there’s only some leftovers from the original glue. Really…