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RRBlue



Member Since: 24 Feb 2012
Location: Cambs
Posts: 220
England 2005 Range Rover Vogue SE 4.2 SC V8 Buckingham Blue
L405 Heated Windscreen

The windscreen on my 2014 Supercharged Petrol only delists on the driver's side. Therefore, I had a look in the engine compartment fuse box where I thought there might be some fuses (there is nothing in the manual).

The fuse diagram in the fuse box lid shows two fuses which seems to align with the two sides being on independent circuits which I had been told.



As the photo indicated, there are two 40 Amp fuses.

I removed the two fuses shown.



Greeny/Blue with a a clear plastic lid. On inspection both looked fine which is disappointing as this presumably means the problem is some where less convenient. I have ordered a couple of new fuses and will replace them to see if it improves, but it seems unlikely.

Thoughts please. 2014 5.0 Supercharged Autobiography & 2015 3.0SDV6 HSE Lux Discovery 4
2005 4.2 Supercharged Vogue SE & 2011 3.0SDV6 HSE Discovery 4
2002 4.4 Vogue
2000 4.6 Vogue
2011 Discovery 4 3.0 HSE
2015 Discovery 4 HSE Lux
2010 Freelander 2 TD4 HSE
2009 Freelander 2 TD4.e 2009
1992 Mercedes 300D
1986 Renault 2.1 Turbo D
1976 Morris Marina 1.8
Post #686992 2nd Mar 2024 7:35pm
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Richie N



Member Since: 29 Dec 2023
Location: Kent
Posts: 230
United Kingdom 2013 Range Rover Vogue SE SDV8 Baltic Blue

I can’t help unfortunately but I’m interested in this too as mine doesn’t work at all..
Post #687001 2nd Mar 2024 9:07pm
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RRBlue



Member Since: 24 Feb 2012
Location: Cambs
Posts: 220
England 2005 Range Rover Vogue SE 4.2 SC V8 Buckingham Blue

If ot does not work at all, the other option is that the heated screen relay has failed. This is also shown on the photos. I took mine out to see if there any signs of anything odd and the put it back. 2014 5.0 Supercharged Autobiography & 2015 3.0SDV6 HSE Lux Discovery 4
2005 4.2 Supercharged Vogue SE & 2011 3.0SDV6 HSE Discovery 4
2002 4.4 Vogue
2000 4.6 Vogue
2011 Discovery 4 3.0 HSE
2015 Discovery 4 HSE Lux
2010 Freelander 2 TD4 HSE
2009 Freelander 2 TD4.e 2009
1992 Mercedes 300D
1986 Renault 2.1 Turbo D
1976 Morris Marina 1.8
Post #687010 2nd Mar 2024 11:39pm
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Richie N



Member Since: 29 Dec 2023
Location: Kent
Posts: 230
United Kingdom 2013 Range Rover Vogue SE SDV8 Baltic Blue

Thanks I’ll check it Thumbs Up
Post #687016 3rd Mar 2024 6:20am
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garyRR



Member Since: 13 Mar 2021
Location: Hampshire
Posts: 1316
United Kingdom 

You can remove the A pillar trims in seconds. This is where the terminals are for the heated screen. I'd check for broken/loose contacts or a damaged ribbon. 2015 Range Rover Autobiography 4.4 SDV8
Post #687027 3rd Mar 2024 9:30am
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RRBlue



Member Since: 24 Feb 2012
Location: Cambs
Posts: 220
England 2005 Range Rover Vogue SE 4.2 SC V8 Buckingham Blue

Both A pillars? 2014 5.0 Supercharged Autobiography & 2015 3.0SDV6 HSE Lux Discovery 4
2005 4.2 Supercharged Vogue SE & 2011 3.0SDV6 HSE Discovery 4
2002 4.4 Vogue
2000 4.6 Vogue
2011 Discovery 4 3.0 HSE
2015 Discovery 4 HSE Lux
2010 Freelander 2 TD4 HSE
2009 Freelander 2 TD4.e 2009
1992 Mercedes 300D
1986 Renault 2.1 Turbo D
1976 Morris Marina 1.8
Post #687046 3rd Mar 2024 12:44pm
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garyRR



Member Since: 13 Mar 2021
Location: Hampshire
Posts: 1316
United Kingdom 

Check the side that isn't working. A multimeter may also help. 2015 Range Rover Autobiography 4.4 SDV8
Post #687047 3rd Mar 2024 12:47pm
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RRBlue



Member Since: 24 Feb 2012
Location: Cambs
Posts: 220
England 2005 Range Rover Vogue SE 4.2 SC V8 Buckingham Blue

I took the cover off today and all seemed ok except a redundant blue and white wire/connector. There did not seem to be anything to which it should be connected. See photo.

Click image to enlarge
 2014 5.0 Supercharged Autobiography & 2015 3.0SDV6 HSE Lux Discovery 4
2005 4.2 Supercharged Vogue SE & 2011 3.0SDV6 HSE Discovery 4
2002 4.4 Vogue
2000 4.6 Vogue
2011 Discovery 4 3.0 HSE
2015 Discovery 4 HSE Lux
2010 Freelander 2 TD4 HSE
2009 Freelander 2 TD4.e 2009
1992 Mercedes 300D
1986 Renault 2.1 Turbo D
1976 Morris Marina 1.8
Post #688859 24th Mar 2024 12:11pm
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stan
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Member Since: 13 Jul 2010
Location: a moderate moderated moderator moderating moderately in moderation
Posts: 34908
United Kingdom 

there are 2 plugs there..one is for the screen which is live and the other is an optional for the wiper defrost. that one has no power

when i got mine the wiper defrost plug was connected to the screen , changed them over and the screen worked..

switch on the heated screen and put a multimeter on both plugs .. ... - .- -.




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Post #688863 24th Mar 2024 1:06pm
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