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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20285

United Kingdom 
Irregular flash rear OS LED indicator.
Noticed tonight locking my 90 that the OS rear indicator only was flashing very dim and on and off.
All other lights are fine.
Tried my trailer tester and all test lights are fine on that.
Tried the indicator flash on lock / unlock and hazards and of course simply by indicating left.
It seems to do it sometimes and not others.
It either works as expected, flashes very dimly or misses a flash.
It's to late today to do any testing but I'm tending to think it's a localised problem with either the indicator it's self or most likely poor connection at the plug / socket nearest the light.
It is damp and dirty as expected in the location it is. Typical Defender lol
I'm hoping a clean and check of the plug terminals will do the trick.

Thoughts ?
All other lights are working perfectly.
Post #407018 12th Mar 2015 6:58pm
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ian series 1



Member Since: 17 Nov 2014
Location: south
Posts: 3127

United Kingdom 2008 Defender 90 Puma 2.4 CSW Bonatti Grey
Like you say start off with the connectors on the indicators first, we all know how bad the muck builds up around the plugs!
Worth having a look at the general state of things inside the light unit too.
Are you using standard lamps, or LED? 80" 80" 86" 88" 90"

Wanted, Forward Control Anything considered.
Post #407021 12th Mar 2015 7:39pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20285

United Kingdom 
LED. Thumbs Up
I did get so far as to get the light out and look an dither plug.
Was mucky and damp but couldn't really see the condition of the pins due to the dark.
Will try and use some temp jumper leads on crocs and see what happens as its only a tiny load on an LED light.
I'll certainly know if it's the connection then.
Failing that I've got a Multimeter to check for power and earth continuity etc.
I'm hoping the terminals need a little cleaning off and that should be it.
Post #407025 12th Mar 2015 7:48pm
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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
Most likely localised as you surmise. Good electrical cleaner and a liberal spraying and fettling with a fitch brush with the lamp off. If you've a multimeter check both supply and earth before reassembly, that'll help you from going round in circles. You know what you're doing Steve.

Good luck. Sure you're all over it. Or will be tomorrow. Thumbs Up 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 #407032 12th Mar 2015 8:10pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20285

United Kingdom 
Thumbs Up
Just thought I'd post up here in case anyone knew of any issues I haven't thought of.

Will have a poke tomorrow. Thumbs Up
Post #407035 12th Mar 2015 8:13pm
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leeds



Member Since: 28 Dec 2009
Location: West Yorkshire
Posts: 8580

United Kingdom 
Swop the NS for OS indicator.

If problem stays on the same side then issue would be with wiring. If fault switches to other side then a faulty indicator.


Brendan
Post #407080 12th Mar 2015 9:51pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20285

United Kingdom 
Will have to try that too. Thumbs Up Thanks.

First job will be cleaning the muck off. Rolling Eyes
Post #407084 12th Mar 2015 10:12pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20285

United Kingdom 
Well had a poke about today.
First trick I tried was to have the engine running for the approx 14.2v and not 12.2v.
It was working fine.
This told me that it was poor connection at the pins as the extra voltage boost made the difference.
Cleaned the pins with some very fine sandpaper and put a little silicone grease on the wire rubbers to keep moisture away.
It seems to be fine as is for now touch wood.
The reading for the Earth contiunity was a little high though which I find rather strange.
These sort of things have tended to happen since clutch replacement when the rear earth strap would have been disconnected.
When the weather is dry I'm inclined to get under there unbolt it on the transfer box earth strap and clean it up and that should help.
Never had any lighting issues before then so that is my guess.
Anyhow at least it's working as expected.
Post #407292 13th Mar 2015 3:29pm
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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
Well done Steve! Thumbs Up 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 #407294 13th Mar 2015 3:35pm
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