Michael H Posted January 14, 2012 Share Posted January 14, 2012 Does the heated windscreen actually do anything, or is mine broken? Went out for a blat with the chaps this morning, -4C, windscreen is continually icing up and the car is not really safe to drive. Came home again. Windscreen heater not making any discernible difference - I guess mine must not be working? Incidentally it was so cold that my front grille is partially iced up... 😳 Mike Link to comment Share on other sites More sharing options...
michaeljclark Posted January 14, 2012 Share Posted January 14, 2012 Mine did this and at the same time the little light in the switch was also not working. Blown fuse was the answer for me It's jolly effective when working Mike Link to comment Share on other sites More sharing options...
Jonathan Kay Posted January 14, 2012 Share Posted January 14, 2012 Yes: you can see when it's working. Jonathan Link to comment Share on other sites More sharing options...
John Vine Posted January 14, 2012 Share Posted January 14, 2012 Quoting Jonathan Kay: Yes: you can see when it's working. 😬 Link to comment Share on other sites More sharing options...
Duckpit Posted January 15, 2012 Share Posted January 15, 2012 yeah they work well, really well Link to comment Share on other sites More sharing options...
Michael H Posted January 24, 2012 Author Share Posted January 24, 2012 Thanks all, Yeah, it was just a blown fuse. Worries me a bit, because fuses don't usually blow without a good reason... According to older emails on this topic, the current drain from the winscreen heater is around 7A. This is a little close to the rated 10A fuse, so I've replaced the bad fuse with a 15A jobbie which should still provide protection if there's a real fault but gives a bit more headroom. It's working fine now, but the cold weather has disappeared for the moment as well. Cheers Mike Link to comment Share on other sites More sharing options...
peshwengi Posted January 24, 2012 Share Posted January 24, 2012 I had the same problem a few months ago - had to drive home with the doors off in the p#%^*ng rain to avoid it fogging up! Link to comment Share on other sites More sharing options...
Roger Ford Posted January 24, 2012 Share Posted January 24, 2012 If the normal drain is 7A, you would expect it to be higher on startup (since the resistance of cold wire is lower than that of hot wire), so 10A does seem to be rather low. Allow for a fuse which perhaps isn't spot on it's rating (20 fuses in a nice box for a quid from Poundland?) and you probably don't need to worry about the fuse having blown. Link to comment Share on other sites More sharing options...
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