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caribcat

Member Since: 11 Jun 2009
Location: Anglesey
Posts: 97

2013 Defender 110 Puma 2.2 USW Aintree Green

Heated screen switch

My light stays on for 3 seconds -assume there is a timer module mounted somewhere? Can anyone shed light on this for me?

Thanks,
Tom

11th Dec 2012 10:26am

iruffell

Member Since: 03 Sep 2010
Location: Marlow, Buckinghamshire
Posts: 343

2009 Defender 110 Puma 2.4 XS CSW Zambezi Silver

I assume you are talking about front screen? mine stays on for about 5 minutes, back one will stay on until it's switched off

11th Dec 2012 10:29am

Shax

Member Since: 05 Oct 2010
Location: London
Posts: 391

2010 Defender 90 Puma 2.4 XS CSW Stornoway Grey

Re: Heated screen switch

caribcat wrote:
My light stays on for 3 seconds -assume there is a timer module mounted somewhere? Can anyone shed light on this for me?

Thanks,
Tom

Here's a screen grab of the relevant bit of the book...

Click image to enlarge

Hope it helps..

Admin note: this post has had its images recovered from a money grabbing photo hosting site and reinstated

... ,-------,
.. I [__][_]|__
.. I __ |"_|"__|
.. "(o)====(o)"
^^_-^-_^-^_^^^^^--^^^^
PAUL
G7ALW 14.200 USB
26FB458 / 27.275 SSB

11th Dec 2012 11:05am

jst

Member Since: 14 Jan 2008
Location: Taunton
Posts: 7703

2011 Defender 110 Puma 2.4 USW Stornoway Grey

should stay on 10-12mins IIRC Cheers

James
110 XS Utility
130 Puma Station wagon/camper (in the making)
90 Puma Hardtop

11th Dec 2012 12:11pm

caribcat

Member Since: 11 Jun 2009
Location: Anglesey
Posts: 97

Thanks for the wiring diagram... I assume this is all under the drivers seat, will take a look. I assume the timer has failed completely. Will post the results.

11th Dec 2012 1:54pm

blackwolf

Member Since: 03 Nov 2009
Location: South West England
Posts: 16901

2007 Defender 110 Puma 2.4 DCPU Stornoway Grey

The timer relay (as well as the main screen relay) are under the RH seat.

The timer relay will be deactivated if you press the switch whilst the screen is heating, or if you switch off the engine. Assuming that neither of these is happening, a short ON cycle probably indicates either a defective timer or a loose connection.

11th Dec 2012 2:05pm

caribcat

Member Since: 11 Jun 2009
Location: Anglesey
Posts: 97

Relay is clicking away quite happily. Have removed timer and can't read continuity between any of the pins. I assume it's duff?

11th Dec 2012 5:56pm

blackwolf

Member Since: 03 Nov 2009
Location: South West England
Posts: 16901

The timer relay is all-electronic inside (not a conventional relay in any sense of the word) and I suspect that the only easy way to test it is to swap with a known working one.

11th Dec 2012 6:56pm

caribcat

Member Since: 11 Jun 2009
Location: Anglesey
Posts: 97

. Don't know anyone with one and the cheapest I can see is about 70 quid! I'll look for a non LR timing relay.

11th Dec 2012 7:32pm

blackwolf

Member Since: 03 Nov 2009
Location: South West England
Posts: 16901

I think Vehicle Wiring Products sells a range of pin-compatible timer relays at sensible prices. I bought one from there for use with my heated mirror upgrade.

11th Dec 2012 11:59pm

Martin
Site Admin

Member Since: 02 Apr 2007
Location: Hook Norton
Posts: 6486

2015 Defender 90 Puma 2.2 XS CSW Montalcino Red

If used is OK they turn up on eBay, like this one: http://www.ebay.co.uk/itm/Range-Rover-Clas...0957438906

Part number PRC6796

1988 90 Td5 NAS soft top

2015 D90 XS SW

12th Dec 2012 12:53am

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