 | Home > Maintenance & Modifications > Indicators work, but one side doesn’t flash when locked |
 
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20939  
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Good luck. It’ll be somewhere.
 ____\We|Will|Win/___
____/🇬🇧🇺🇸\____ _//*⛽️🛢️⚙️🧰*\\_ |
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12th Nov 2022 2:52pm |
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| LandRoverAnorak Member Since: 17 Jul 2011 Location: Surrey Posts: 11327
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As I said earlier, check your fuses. It'll be something related to the alarm. Darren
110 USW BUILD THREAD - EXPEDITION TRAILER - 200tdi 90 BUILD THREAD - SANKEY TRAILER - IG@landroveranorak "You came in that thing? You're braver than I thought!" - Princess Leia |
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12th Nov 2022 4:55pm |
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| Co1 Member Since: 19 Aug 2018 Location: North Yorkshire Posts: 3746 
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That’s interesting Ian and would be a nice easy fix! Haven’t changed the battery in a while. I’ll try the spare set tonight.
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12th Nov 2022 7:09pm |
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| Ianh Member Since: 17 Sep 2018 Location: Essex Posts: 2458
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It might be that both indicators don’t flash with a low battery, but I just can’t remember...worth a punt
https://www.defender2.net/forum/topic65289...+indicator See this also |
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12th Nov 2022 8:07pm |
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| Co1 Member Since: 19 Aug 2018 Location: North Yorkshire Posts: 3746
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Tried the spare set to no avail! Will start checking the wiring.
 my back up last weekend, so rolling around under the landy is far from ideal! |
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12th Nov 2022 9:13pm |
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| Co1 Member Since: 19 Aug 2018 Location: North Yorkshire Posts: 3746
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Checked the lamp connections and all OK. Looking at the drawings, the 0V is common whether the signal comes from the indicator stalk, hazard warning switch, or the alarm system. It works OK via the first 2 with the engineer not running so must be the signal from the alarm system. I will test the output on pin 1 on the ECU alarm module and then go from there. Anyone got any ideas where this module is?!
 Click image to enlarge |
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13th Nov 2022 2:03pm |
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| macfrank Member Since: 05 Nov 2015 Location: somewhere in the north Posts: 1124  
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Remove the loudspeaker under the steering wheel.
You'll find this (LHD photo, your loom routing and mount position will be mirrored): Click image to enlarge Green plug wiring: Click image to enlarge Last edited by macfrank on 13th Nov 2022 5:29pm. Edited 1 time in total |
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13th Nov 2022 5:21pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20939
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It’s not unknown for wet to get there, and we have had a lot of rain.
So keep an eye out for wet or pin corrosion. ____\We|Will|Win/___ ____/🇬🇧🇺🇸\____ _//*⛽️🛢️⚙️🧰*\\_ |
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13th Nov 2022 5:27pm |
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| Ianh Member Since: 17 Sep 2018 Location: Essex Posts: 2458
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The component called the alarm ECU on the diagram you posted is either a Lucas 10AS (Green) or one of the 2 later ALM ECU’s (black). They are different but the input and output wiring is the same and they are in the same location.
That location is in the driver footwell above the pedals to the right of centre. You can see and gain access to it by removing the divers footwell speaker. Remotekey have some useful pictures showing location and connectors https://remotekey.co.uk/land-rover-keys-re...larm-ecus/ |
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13th Nov 2022 5:32pm |
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| Co1 Member Since: 19 Aug 2018 Location: North Yorkshire Posts: 3746
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Awesome info guys, much appreciated.
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13th Nov 2022 7:10pm |
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| Co1 Member Since: 19 Aug 2018 Location: North Yorkshire Posts: 3746
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Had a quick look this morning. Found the connection and it looks like there might have been an element water ingress. However I couldn’t get a test probe onto it without resorting to contortionist movements, and my back is goosed at the moment so it will have to wait.
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20th Nov 2022 1:02pm |
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| custom90 Member Since: 21 Jan 2010 Location: South West, England. Posts: 20939
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Yes, I know the exact area you mean and it’s be all to easy to do your back in getting at it too! A real pain of an angle.
Damp can be a real problem. ____\We|Will|Win/___ ____/🇬🇧🇺🇸\____ _//*⛽️🛢️⚙️🧰*\\_ |
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20th Nov 2022 4:02pm |
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