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warren

Member Since: 14 Oct 2009
Location: East Lancs.
Posts: 903

2009 Defender 90 Puma 2.4 HT Santorini Black

Turning on lights when cold

OK, going to try my best to explain this....

It did it a couple of times last winter, if it had been standing outside for a few days. But did it again tonight after sitting in pretty much a monsoon for a few hours.

It only does it when it's cold and just started, but I'll start it as normal, radio, heater, etc all turn on as normal. Then I'll turn the lights on, and there'll be a buzzer sound from somewhere behind the dash, the dashboard lights will light up as normal but the headlights will just light up dim and flicker for a few seconds, then come on as normal. And it's fine again.

The buzzer (the only thing I can think of that sounds remotely similar) sounds sort of like a quiet verson of the 'lights on' warning buzzer on a Mk3 Astra..... There's nothing that would make the noise accessory wise, which confuses me as the only warning sound I thought it made is the low fuel bong.

I don't think it could be water getting somewhere it shouldn't, as I the power washer in every nook and cranny every few weeks, and it's fine over the summer. Just seems to be when the weather is cold.

Any ideas?

5th Nov 2010 12:16am

Caterham

Member Since: 06 Nov 2008
Location: Birmingham
Posts: 6266

2011 Defender 110 Puma 2.4 XS CSW Stornoway Grey

not sure here BUT

I recall with my last one going into the work underground car park and getting a similar noise....

(now this is where my memory lets me down)

seem to recall it had something to do with the loss of radion reception (sounds strange I know) - dont know about the dim lights though.

5th Nov 2010 12:21am

Laurie

Member Since: 22 Feb 2008
Location: Sussex, England
Posts: 2897

2005 Defender 90 Td5 XS CSW Bonatti Grey

It'll be the headlamp relay that needs replacing or it's making a bad contact in it's socket(common fault).
It's 'buzzing' instead of closing completely.
Try it on beam instead of dip and see if it still happens. (should be a different relay.)
Its only happening after a cold start because the battery voltage will have dropped slightly after the starter load.

5th Nov 2010 1:27am

warren

Member Since: 14 Oct 2009
Location: East Lancs.
Posts: 903

Cheers chaps!!!

6th Nov 2010 12:56am

Grockle

Member Since: 24 Nov 2008
Location: Peak District National Park
Posts: 2266

2008 Defender 90 Puma 2.4 XS CSW Tonga Green

yep, Lauries dead on 2.4 90 XS
1968 1/32 scale Britains 109 Pick up.

6th Nov 2010 10:51am

Eduardo

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

2007 Defender 110 Puma 2.4 SW Stornoway Grey

Yep Laurie is right,

I had a similar problem some time ago: headlights flickering at the begining and take a time to start. Finally the ligths stop to work and the relay were replaced (pretty easy work).

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

6th Nov 2010 10:58am

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