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borderterrier



Member Since: 09 Dec 2011
Location: Surrey
Posts: 1677

United Kingdom 2013 Defender 110 Puma 2.2 XS CSW Aintree Green
Thanks Munch I will give that some thought
Post #372864 19th Nov 2014 9:45pm
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munch90



Member Since: 26 Oct 2013
Location: guildford
Posts: 3558

England 
First thing I would do is door switches out and give them a good spray with wd40 acf to drive any water out etc then check again then work from there
Post #372868 19th Nov 2014 9:55pm
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borderterrier



Member Since: 09 Dec 2011
Location: Surrey
Posts: 1677

United Kingdom 2013 Defender 110 Puma 2.2 XS CSW Aintree Green
Which relay looks after the interior lights?
Post #372889 19th Nov 2014 10:48pm
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munch90



Member Since: 26 Oct 2013
Location: guildford
Posts: 3558

England 
Dont think there is a relay , sure there just control by as10 security unit
Post #372890 19th Nov 2014 10:50pm
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borderterrier



Member Since: 09 Dec 2011
Location: Surrey
Posts: 1677

United Kingdom 2013 Defender 110 Puma 2.2 XS CSW Aintree Green
Which sits under right side of the bulkhead under the windscreen where I had a water ingress issue recently!
Post #372893 19th Nov 2014 11:01pm
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borderterrier



Member Since: 09 Dec 2011
Location: Surrey
Posts: 1677

United Kingdom 2013 Defender 110 Puma 2.2 XS CSW Aintree Green
So after a few days standing it started at the first turn of the switch. This was after removing the interior lights. Anyone any idea as to why the lights would be draining power? It's only a problem when the interior light is in the door position.
Post #373453 22nd Nov 2014 1:29pm
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munch90



Member Since: 26 Oct 2013
Location: guildford
Posts: 3558

England 
borderterrier wrote:
Which sits under right side of the bulkhead under the windscreen where I had a water ingress issue recently!


^^^^ think you may be answering your next post here !
Post #373456 22nd Nov 2014 1:35pm
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K9F



Member Since: 12 Nov 2009
Location: Bournemouth
Posts: 9610

United Kingdom 2008 Defender 90 Puma 2.4 XS CSW Stornoway Grey
Recently somebody had a 'no start' issue for exactly the same issue of water ingress in the same unit. Believe they dried out, cleaned the contacts and bagged the 10as unit. If you go through life with your head in the sand....all people will see is an ar5e!!

Treat every day as if it is your last....one day you will be right!!
Post #373462 22nd Nov 2014 1:53pm
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borderterrier



Member Since: 09 Dec 2011
Location: Surrey
Posts: 1677

United Kingdom 2013 Defender 110 Puma 2.2 XS CSW Aintree Green
Thanks, I will have a look at it
Post #373465 22nd Nov 2014 2:04pm
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diesel_jim



Member Since: 13 Oct 2008
Location: hiding
Posts: 6037

United Kingdom 2006 Defender 110 Td5 SW Epsom Green
Maybe, and I'm grasping at straws here, because the LED lamps are diodes, and thus only allow electricity to flow one way (bar the 0.7v), maybe that's in some way freaking the 10AS unit and causing some load on the battery?

Having said that, I've got LED lamps in my interior lights (although it's a Td5 not a puma) and I can leave it for a fortnight and still start it no problems.
Post #373476 22nd Nov 2014 3:25pm
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munch90



Member Since: 26 Oct 2013
Location: guildford
Posts: 3558

England 
I got the 24 led ones in both mine and all ok
Post #373479 22nd Nov 2014 3:31pm
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K9F



Member Since: 12 Nov 2009
Location: Bournemouth
Posts: 9610

United Kingdom 2008 Defender 90 Puma 2.4 XS CSW Stornoway Grey
Diesel Jim may be on to something here. You have to be very careful with the 10as unit as it will be looking for predetermined circuit resistance and voltage values. It is basically a communication hub sending and receiving signals that it expects certain values in return. Lorryman can explain better. Like with OBD relocation you must ensure and cable splicing is carried out to perfection or problems will ensue. If you go through life with your head in the sand....all people will see is an ar5e!!

Treat every day as if it is your last....one day you will be right!!
Post #373480 22nd Nov 2014 3:34pm
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munch90



Member Since: 26 Oct 2013
Location: guildford
Posts: 3558

England 
think really all the as10 does is give a 12v to the lights , don't think really it matters what its feeding

as I see it switches a feed to the lights either there live or they not UNLESS you got a short somewhere possibley in the unit

I had to repair a as5 unit the other day as a broken rear screen heater wire and a C/L wire had shorted and blown a bit of the printed circuit board , soldered a link wire bypassing the burnt bit and it all worked fine , before when you tried to lock it the motors screamed at you

also the interior light might not be your only problem causing battery discharge if there is water ingress to the unit , the interior light might be the only one you can see
Post #373482 22nd Nov 2014 3:41pm
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borderterrier



Member Since: 09 Dec 2011
Location: Surrey
Posts: 1677

United Kingdom 2013 Defender 110 Puma 2.2 XS CSW Aintree Green
Interesting as my central locking actuators and 10AS unto have just been replaced for that very reason. They were screaming when you operated the plipper.
Post #373507 22nd Nov 2014 6:24pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 16883

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
IIRC the interior lights have a permanent live supply and are switched on when the earth side of the circuit is completed by the door switches, the switch on the light, or the AS10 unit.

Probably no help with your problem but knowing this may avoid confusion when troubleshooting.
Post #373520 22nd Nov 2014 7:17pm
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