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TOP5N

Member Since: 03 Nov 2015
Location: Gloucester
Posts: 226

Interior led lights

So, i have fitted some interior lights to my defender (2015) and i notice that when it is all locked up, and switch on the lights set on “doors open”... the lights are lit very dimm and dont seem to completely go out... any ideas as to why this is ?

Click image to enlarge

23rd Oct 2017 6:00pm

CarMan

Member Since: 29 Nov 2010
Location: Cotswolds
Posts: 1856

Chris, I had the same problem with my MY16. Read this http://www.defender2.net/forum/topic50760.html but did not have same issue issue with the (expensive) but lovely Nakatanenga items

Rob

1993 200tdi 90 hard-top
1998 300tdi 90 soft-top
2016 2.2 XS 90 hard-top (sold)

23rd Oct 2017 7:38pm

TOP5N

Member Since: 03 Nov 2015
Location: Gloucester
Posts: 226

Thanks for the info. It all makes sense now. Chris

23rd Oct 2017 7:58pm

Shax

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

2010 Defender 90 Puma 2.4 XS CSW Stornoway Grey

I had the same query a few years back when I fitted LED interior lights to my Puma, so I got my trusty "yellow meter" out, and had a probe around!!
Here are a few pix of the 10AS output to the LEDS..
The 'scope shows the LEDS full on, fading down, and "off"..
As you can see, it looks like a PWM (Pulse Width Modulation) signal to drive the interior lights..
There is about 1.74v across the LEDs when "off", which depending on the LEDS may cause a slight glow..

Click image to enlarge

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

25th Oct 2017 8:03pm

Eduardo

Member Since: 28 Aug 2008
Location: RegiÃ³n Metropolitana
Posts: 2109

2007 Defender 110 Puma 2.4 SW Stornoway Grey

Hummm

I installed cheap leds on mine and I dont see this problem. But good to know it.

Cheers! Eduardo

MY 2007 110 SW PUMA 2.4: Big Fog of 64'
MY 1994 Jayco 1207 Folding camper: "El Tremendo"

Click image to enlarge

25th Oct 2017 8:35pm

AMBxx

Member Since: 24 Jul 2016
Location: York
Posts: 1029

2015 Defender 110 Puma 2.2 XS CSW Orkney Grey

I like to think of it as 'ambient lighting'. Lots of posher cars have it.

On a dark drive, I often just switch to off though

27th Oct 2017 7:21pm

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