 | Home > Tdi > What are these warning lights? |
 
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| Tommybahama32 Member Since: 11 Sep 2017 Location: cheshire Posts: 31   
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Looks like a transmission temperature warning light or differential oil temp light. As you say the tilt cab warning light is the first one. Only ever seen these lights on heavy trucks.
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20th Jul 2022 7:01pm |
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| Dinnu Member Since: 24 Dec 2019 Location: Lija Posts: 3414  
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I always thought that these were done since Landrover was a division of British Leyland. 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing
2012 90 CSW, 2.2TDCI, Santorini Black |
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20th Jul 2022 7:17pm |
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| Ramsay Member Since: 30 Sep 2015 Location: Moffat, Dumfries & Galloway Posts: 627  
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The choice of symbols might be because of the Llama that was being developed at that time. As there was surplus symbols there was no need to change it when that project did not go ahead. 1995 Defender 110 CSW
1971 SIIA Lightweight |
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20th Jul 2022 10:23pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17359 
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Most likely that the warning light panel was pinched from the parts bin of Leyland trucks.
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20th Jul 2022 10:44pm |
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| LandRoverAnorak Member Since: 17 Jul 2011 Location: Surrey Posts: 11324
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No, Ramsay's got it. They were added in anticipation of the introduction of the Llama but then just used up on standard vehicles when that project didn't proceed. 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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21st Jul 2022 8:20am |
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| MercianRover Member Since: 07 Apr 2022 Location: Culworth Posts: 141 
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I used that transmission high temperature warning lamp as a low-coolant indicator on my 300TDi. I got a Range Rover classic header tank cap with it's integral float switch and a delay on timer relay so the warning lamp illuminates when the header tank level is low after about 15 seconds. That's enough delay to not get nuisance flashing under braking, but not too long that it's useless in the event of a cooling system fault. Only refinement needed is to make it illuminate at key-on as a lamp check. |
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21st Jul 2022 8:57am |
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| Dinnu Member Since: 24 Dec 2019 Location: Lija Posts: 3414
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^^^ that is a neat idea.
I think you can easily do a lamp check if you supply 12v from the ignition to the warning light and then use the header cap to ground the warning light in parallel with the low oil pressure switch (closed until you start the engine). But if you have low oil, you will have 2 warning lights. I used the PARK BRAKE warning light when I fitted a very crude immobilizer 😁 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing 2012 90 CSW, 2.2TDCI, Santorini Black |
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21st Jul 2022 10:47am |
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| MercianRover Member Since: 07 Apr 2022 Location: Culworth Posts: 141
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Park brake warning light has ignition supply and is grounded via the park brake switch.
The coolant low warning light is wired to be powered and have constant ground because of the way the timer delay relay works. For this reason a key-on lamp check would need a relay to buffer it to prevent "unintended consequences" but using zero oil-pressure to force a lamp check is a great idea! |
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21st Jul 2022 11:44am |
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| Dinnu Member Since: 24 Dec 2019 Location: Lija Posts: 3414
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Are you sure that the handbrake switch is grounding the PARK BRAKE (top left) warning light and not the (P) warning light (the one between the seat belt and trailer warning light, lower 3rd from left)?
My 1988 90 does not have handbrake switch, but has the low fluid level switch on the master cylinder. But there is yet another (!) BRAKE warning light and cannot remember which one illuminates in the event of low brake fluid level. 1988 90 Hard Top, 19J Diesel Turbo, Shire Blue - Restoration ongoing 2012 90 CSW, 2.2TDCI, Santorini Black |
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21st Jul 2022 12:40pm |
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| MercianRover Member Since: 07 Apr 2022 Location: Culworth Posts: 141
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Depends on the model year - mine is a '98 and has a different warning light pack.
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21st Jul 2022 2:59pm |
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| mini Anaconda Member Since: 23 Aug 2016 Location: Thames Valley Posts: 782
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Thanks all for the replies - interesting information. I had forgotten about the Llama, initially wondered if it shared the same cluster as a Leyland truck.
Only taken 7 years of looking at my dashboard to discover those two warning lights!  BORG - Bucks & Oxon 4x4 Response Group
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21st Jul 2022 6:19pm |
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| blackwolf Member Since: 03 Nov 2009 Location: South West England Posts: 17359
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Quite by chance I have just stumbled across this on the autoeveolution.com website:
Link to source: https://www.autoevolution.com/news/the-sto...80706.html |
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1st Aug 2022 8:35am |
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