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Landymatt



Member Since: 31 Dec 2018
Location: Cambridge
Posts: 80

United Kingdom 
Dash backlights, left side lights gone out SOLVED

Here’s a good one for you.

Wife was driving MY15 110 yesterday and ‘went over a bump’ and all the dash lights including speedo and tacho went out, as well as front, rear and trailer LEFT hand side and tail lights (headlights and brake lights still work).

Haven’t started the investigation yet but thought I’d pick you good peoples’ brains first as to what the issue could be.

Thanks in advance!


Last edited by Landymatt on 1st Aug 2020 6:23pm. Edited 1 time in total

Post #847312 31st Jul 2020 7:16pm
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custom90steve



Member Since: 21 Jan 2010
Location: South West England
Posts: 17898

United Kingdom 

Grounding points loose and or dirty on transfer box most likely. Has there been any transmission works done lately at all? Diesels Lives Matter

Post #847324 31st Jul 2020 8:19pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 11667

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey

IIRC the n/s and o/s sidelights are on separate fuses and one also does the dash lights, so my bet would be you've blown a fuse.

What is unknown of course is why.

Post #847328 31st Jul 2020 8:28pm
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Landymatt



Member Since: 31 Dec 2018
Location: Cambridge
Posts: 80

United Kingdom 

custom90steve wrote:
Grounding points loose and or dirty on transfer box most likely. Has there been any transmission works done lately at all?


No works done lately, no.

Will check out the fuses and take it from there.

Post #847355 31st Jul 2020 9:20pm
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Landymatt



Member Since: 31 Dec 2018
Location: Cambridge
Posts: 80

United Kingdom 

Aaaaaaand no fuses blown, no groundings looking sketchy, so the mystery remains, any help appreciated folks.

Post #847372 31st Jul 2020 10:11pm
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custom90steve



Member Since: 21 Jan 2010
Location: South West England
Posts: 17898

United Kingdom 

Check the IPAC connector is secure. (Dash dial binnacle connector to the rear of it).
And also the trailer socket plug under the wheel arch and not wet or dirty.

If you can identify the ground pin on the trailer socket add a temporary earth and see if that creates any change.

Multiple faults are usually caused by a common ground and won’t blow any fuses.

Do you have a Multimeter? Diesels Lives Matter

Post #847386 31st Jul 2020 11:32pm
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Landymatt



Member Since: 31 Dec 2018
Location: Cambridge
Posts: 80

United Kingdom 

Thanks Steve will have a look in a bit.

Yes I have a multimeter, got the gear bit little idea however.

Post #847411 1st Aug 2020 8:27am
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Landymatt



Member Since: 31 Dec 2018
Location: Cambridge
Posts: 80

United Kingdom 

custom90steve wrote:
Check the IPAC connector is secure. (Dash dial binnacle connector to the rear of it).
And also the trailer socket plug under the wheel arch and not wet or dirty.

If you can identify the ground pin on the trailer socket add a temporary earth and see if that creates any change.

Multiple faults are usually caused by a common ground and won’t blow any fuses.

Do you have a Multimeter?


No joy - IPAC connector secure, towing electrics socket clean and dry and all terminals look in good shape.

Any further suggestions welcome!

Post #847433 1st Aug 2020 12:22pm
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markb110



Member Since: 22 May 2010
Location: Guildford
Posts: 802

England 2002 Defender 90 Td5 HT Epsom Green

Hi, I had something similar but don't remember if it affected the dash lights.

I my case it was caused by one of the bulbs that light up the rear number plate. It had become loose in the holder.

I secured it with with small zip then later replaced the bulbs with Led bulbs, still secured with zip ties. Still that way today after six plus years and no further issues.

Hope that helps in some way..

Post #847436 1st Aug 2020 12:45pm
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Landymatt



Member Since: 31 Dec 2018
Location: Cambridge
Posts: 80

United Kingdom 

Thanks Mark - checked the number plate lightbulb holder, seems fine but has prompted me to check all other light fittings, bulb holders etc which I’ll do later.
I have a sneaking suspicion it’s going to be something daft hence not wanting to take it to the garage just yet.

Post #847474 1st Aug 2020 5:06pm
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Landymatt



Member Since: 31 Dec 2018
Location: Cambridge
Posts: 80

United Kingdom 

Thanks for everyone’s help and suggestions.

I’d initially only looked at fuses with a symbol of the dash lights - turns out it was the 10A fuse circled (which I’d erroneously thought was an indicator symbol!).

I think a loose connection in the trailer lights blew the fuse in the Landy. I have to say, and I’m probably tempting fate here, but the Landy’s reliability (2015 110) has really impressed me, not a single issue other than this since we bought it in November 2018 and 17,000 miles. It’s easy to think that there are loads of issues because that’s when most people (like myself) pipe up, but I bet there are loads chugging along happily for their owners. It’s really changed our lifestyle for the better too.

You can tell we’re friends again eh!


Click image to enlarge

Post #847494 1st Aug 2020 6:30pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 11667

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey

blackwolf wrote:
IIRC the n/s and o/s sidelights are on separate fuses and one also does the dash lights, so my bet would be you've blown a fuse.

What is unknown of course is why.


I don't like to say told you .... I love to say it! Rolling with laughter

Post #847499 1st Aug 2020 6:50pm
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custom90steve



Member Since: 21 Jan 2010
Location: South West England
Posts: 17898

United Kingdom 

Whatever caused it should be investigated though. Fuses blowing is never good, there is a short causing it so there must be a live conductor shorting to ground somewhere. It may even be the trailer. Diesels Lives Matter

Post #847502 1st Aug 2020 6:57pm
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Landymatt



Member Since: 31 Dec 2018
Location: Cambridge
Posts: 80

United Kingdom 

blackwolf wrote:
blackwolf wrote:
IIRC the n/s and o/s sidelights are on separate fuses and one also does the dash lights, so my bet would be you've blown a fuse.

What is unknown of course is why.


I don't like to say told you .... I love to say it! Rolling with laughter


No flies on you, nailed it in one! Bow down Rolling with laughter

Post #847506 1st Aug 2020 7:14pm
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Landymatt



Member Since: 31 Dec 2018
Location: Cambridge
Posts: 80

United Kingdom 

custom90steve wrote:
Whatever caused it should be investigated though. Fuses blowing is never good, there is a short causing it so there must be a live conductor shorting to ground somewhere. It may even be the trailer.


Ya I’m betting it’s the trailer, I’ve noticed a flickery tail light, have looked over all bulb fittings and adjusted holders / connectors slightly to ensure better-sprung contact and decent joints, will look at the plug tomorrow then yolk it up for a test Thumbs Up

Post #847509 1st Aug 2020 7:18pm
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