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dnorrishill



Member Since: 15 Jul 2011
Location: Hampshire
Posts: 610

England 2014 Defender 90 Puma 2.2 XS CSW Aintree Green
No Indicators or Hazard Lights
Indicators stopped working this morning. On further investigation the hazards have stopped and the indicators don't flash when I lock the doors.

Checked the fuses and F31 was blown. I replaced the fuse, switched on the ignition, but the fuse blew within a few seconds. Before the fuse blew there was a buzzing noise from somewhere near the fuse box under the steering wheel - possibly the flasher relay.

Its a 2015MY 90 SW...

Any thought are most welcome!!

Candidates appear to be relay, hazard switch or electrical short. The difference to most other occurrences I found when searching is that fuse 31 was blown and blows almost immediately when replaced.
Post #698830 5th Apr 2018 8:55pm
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Ramsay



Member Since: 30 Sep 2015
Location: Moffat, Dumfries & Galloway
Posts: 623

Scotland 1995 Defender 110 300 Tdi CSW Auto Keswick Green
Similar problems on mine recently. Though mine is much older. Turned out to be a short inside the indicator switch blowing the fuse. Had to change the switch but been OK since. 1995 Defender 110 CSW
1971 SIIA Lightweight
Post #698844 5th Apr 2018 10:18pm
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Procta



Member Since: 03 Dec 2016
Location: Sunderland
Posts: 4908

United Kingdom 
check the hazard switch, as that can cause problems, and also whip off the coweling and have a check for any earth leaks on the stalk. My dad had replaced both, and managed to snip the earth wire, which was shorting out the full system. Defender TD5 90 ---/--- Peugeot 306 HDI hatch back

Success is 90% Inspiration and 4 minutes Preparation # you can make it!
Post #698863 6th Apr 2018 5:03am
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jrule



Member Since: 10 Aug 2015
Location: Hertfordshire
Posts: 302

United Kingdom 2000 Defender 90 Td5 CSW Oslo Blue
If you have a tow socket check the plug or wiring isn’t at fault
Post #698864 6th Apr 2018 5:14am
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dnorrishill



Member Since: 15 Jul 2011
Location: Hampshire
Posts: 610

England 2014 Defender 90 Puma 2.2 XS CSW Aintree Green
Great thanks for the replys, will have a proper look tomorrow. Thumbs Up
Post #698868 6th Apr 2018 5:47am
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dnorrishill



Member Since: 15 Jul 2011
Location: Hampshire
Posts: 610

England 2014 Defender 90 Puma 2.2 XS CSW Aintree Green
OK so did lots of tests today but still no resolution!! Crying or Very sad

I have done the following:

  • Disconnected the trailer socket - still blows fuse 30P
  • Disconnected all the indicators - still blows fuse 30P
  • Checked for shorts on dash wiring and indicator stalk - nothing obvious.
  • Disconnected the indicator stalk on the steering column - still blows fuse 30P
  • Pulled the dash apart and followed this LandyManLuke Post (adapted for Puma using MY2012 wiring diagram) - problem is related to the right hand indicator when connecting 'permanent supply' to 'Right Indicator'


So clues on what to check on the right hand indicator circuit?


Last edited by dnorrishill on 8th Apr 2018 6:53pm. Edited 1 time in total
Post #699437 8th Apr 2018 6:24pm
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Greyman110



Member Since: 29 Sep 2017
Location: London
Posts: 323

United Kingdom 
On my Jeep I had an issue with the indicators. The culprit turned out to be a tiny hairline crack on the relay connection. Used a tiny bit of solder and it never came back so might be worth doing an inspection of that.
Post #699438 8th Apr 2018 6:32pm
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dnorrishill



Member Since: 15 Jul 2011
Location: Hampshire
Posts: 610

England 2014 Defender 90 Puma 2.2 XS CSW Aintree Green
So I give up - any recommendations on who I can get to try and trace the problem?!?

Spoke to my local independent today who said I was better off taking it to a auto electrician (and recommended one in Southampton).

Spoke to my local garage who service all makes of car and are very good - they will take a look but will give no guarantee.

So I withdraw my life savings and take it to local Land Rover dealer.

Or...

I even considered one of these: https://www.amazon.co.uk/Power-Probe-ECT20...B000P6UO2I - could sell on ebay afterwards I guess - probably cheaper than LR!
Post #699657 9th Apr 2018 7:02pm
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sako243



Member Since: 08 Jul 2014
Location: Wales
Posts: 1184

Wales 1994 Defender 110 300 Tdi CSW Alpine White
dnorrishill wrote:
OK so did lots of tests today but still no resolution!! Crying or Very sad

I have done the following:

  • Disconnected the trailer socket - still blows fuse 30P
  • Disconnected all the indicators - still blows fuse 30P
  • Checked for shorts on dash wiring and indicator stalk - nothing obvious.
  • Disconnected the indicator stalk on the steering column - still blows fuse 30P
  • Pulled the dash apart and followed this LandyManLuke Post (adapted for Puma using MY2012 wiring diagram) - problem is related to the right hand indicator when connecting 'permanent supply' to 'Right Indicator'


So clues on what to check on the right hand indicator circuit?

Right if I've understood this correctly - when you connect +12V (permanent supply) to the circuit for the right hand indicators you blow the fuse? Even with the indicator bulbs removed?

Realistically that means you have a short to ground on that circuit - possibly a chafed wire. I don't know if the newer Land Rovers are the same but my 300Tdi has inside the engine bay on the drivers side of the bulkhead gearbox tunnel a set of three connectors - these provide the connections to the chassis loom for the rear lights etc. Note - on mine much easier to access from lying underneath and they're above the bias junction for the brakes. Of course a TDCi probably doesn't have this layout.

If you have something like this you can disconnect them and isolate the front from the rear. If you get the same result from the test then you've at least narrowed it down to probably the front half of the wiring loom.

If you've got a link to a wiring diagram I can probably be of more help. Ed
82 Hotspur Sandringham 6x6
95 Defender 110 300Tdi
Post #699689 9th Apr 2018 8:09pm
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sako243



Member Since: 08 Jul 2014
Location: Wales
Posts: 1184

Wales 1994 Defender 110 300 Tdi CSW Alpine White
You're not far from me so could possibly meet up and help out. Not as if I don't understand electronics - currently sat in an electronics lab waiting for some tests to finish on a PCB I designed... Ed
82 Hotspur Sandringham 6x6
95 Defender 110 300Tdi
Post #699692 9th Apr 2018 8:12pm
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dnorrishill



Member Since: 15 Jul 2011
Location: Hampshire
Posts: 610

England 2014 Defender 90 Puma 2.2 XS CSW Aintree Green
sako243, thanks very much for the info and kind offer of assistance. Also sorry for delay in replying, for some reason your reply did not show up on the new posts list!

As you suggested the problem was a chafed wire on the wiring loom running to the right front wing. Persistence was the key, following the path of the wires and looking for points where the loom could rub on something!
Post #700189 11th Apr 2018 1:19pm
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dnorrishill



Member Since: 15 Jul 2011
Location: Hampshire
Posts: 610

England 2014 Defender 90 Puma 2.2 XS CSW Aintree Green
So the problem was where the wiring loom was snaked around the abs unit pipes and the aerial. The wires were pretty tight and had rubbed through the insulation on one of the metal pipes causing the short.


Click image to enlarge




Click image to enlarge
Post #700191 11th Apr 2018 1:23pm
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sako243



Member Since: 08 Jul 2014
Location: Wales
Posts: 1184

Wales 1994 Defender 110 300 Tdi CSW Alpine White
No worries - glad you found it.

Electrics / electronics conceptually are quite simple - it's just that lots of things tend to happen simultaneously meaning it's completely incomprehensible Laughing

That being said even a TDCi electronics are simple. Ed
82 Hotspur Sandringham 6x6
95 Defender 110 300Tdi
Post #700213 11th Apr 2018 3:19pm
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Mralexquinn



Member Since: 26 Feb 2023
Location: Dublin
Posts: 1

Ireland 2014 Defender 110 Puma 2.2 CSW Corris Grey
@dnorrishill, thank you!! I had the exact same issue on my Defender. I was searching around trying to find the fault for ages but my wires had rubbed through exactly as you described!
Post #983804 26th Feb 2023 9:23pm
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