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Argyll-Defender



Member Since: 14 Nov 2019
Location: Argyll
Posts: 2
Scotland 2002 Defender 90 Td5 HT Epsom Green
Heated Winscreen Problems!
Last year my 90 was subjected to a major rebuild and some add-ons by a 'professional' landie man. I have now solved most of the ensuing issues but have never managed to get the heated windscreen to work. It is all new and controlled by a Red Bison Diamondback and initially I thought the switch was faulty as it appeared to have overheated and I noted it had been installed without a fuse so I fitted an in-line 30amp one and a new genuine switch . Now however the fuse blows immediately the switch is depressed. If I power the two windscreen connectors with a separate fused supply it does not blow. From the installation instructions I found online it says connect the power to the left hand side of the screen but I note that the right hand side is connected to positive and left negative. I cannot see why this would make a difference but someone might know! is the answer just to get a genuine LR wiring loom? Any ideas gratefully received. Question
Post #802252 14th Nov 2019 4:33pm
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divethedeep



Member Since: 17 Sep 2014
Location: sussex
Posts: 32
United Kingdom 2003 Defender 90 Td5 HT Arles Blue
I had a heated screen fitted to a 03 defender I connected the screen to the rear window switch and used a relay
It has been great for a coup,of years
Post #802262 14th Nov 2019 6:30pm
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Pugit666



Member Since: 04 Mar 2020
Location: York
Posts: 43
United Kingdom 1998 Defender 90 300 Tdi CSW Alpine White
Did you get this sorted? I have same problem apart from mine is wired power to left, earth to right?
Post #818092 4th Mar 2020 8:37am
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Argyll-Defender



Member Since: 14 Nov 2019
Location: Argyll
Posts: 2
Scotland 2002 Defender 90 Td5 HT Epsom Green
Hi, I cannot remember if I tried changing the positive and negative around although I think I did! I ended up pulling out the Red Bison and ditching it and fitting a completely new wiring harness and relay and it has been fine and a brilliant Defender accessory.
Post #818093 4th Mar 2020 9:05am
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Pugit666



Member Since: 04 Mar 2020
Location: York
Posts: 43
United Kingdom 1998 Defender 90 300 Tdi CSW Alpine White
Thanks for that, I think I’ll do the same, just replace it with a timer relay. Loved my heated windscreen when it worked.
Post #818135 4th Mar 2020 2:25pm
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