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Wales
by Joske Vermeule, September 1
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Jun 14th, 2026
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Joined: Aug 2014
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Talk Morgan Expert
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OP
Talk Morgan Expert
Joined: Aug 2014
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Near the oil filter is the oil pressure switch but I wonder what the second one is? ![[Linked Image]](https://www.tm-img.com/images/2020/12/22/Olfilter_beschr_800x600.jpg)
2005 4/4 1800ccm Duratec and a lot of HONDA CX500.......
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Learner Plates Off!
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Learner Plates Off!
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Isn't one the oil pressure switch and the other for the pressure gauge?
Paul
2009 4/4 Sport in Red
2022 Harley Davidson FXLRS Low Rider S
1977 Triumph Stag
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Tricky Dicky Member of the Inner Circle
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Tricky Dicky Member of the Inner Circle
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That's what I'd have thought too.
2009 4/4 Sport Henrietta
1999 Indigo Blue +8
2009 4/4 Sport Green prev
1993 Con Green +8 prev
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Needs to Get Out More!
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Needs to Get Out More!
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Similarl to the VDO sensors I fitted to a Guzzi special and as suggested above. A "T" adaptor allows both from the single pressure take off.
Richard
2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone
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Salty Sea Dog Member of the Inner Circle
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Salty Sea Dog Member of the Inner Circle
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Did the same to my LR S11a to add an oil pressure gauge 
Graham (G4FUJ)
Sold L44FOR 4/4 Giallo Fly
'11 MINI Countryman Cooper D All4
'90 LR 90 SW
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Joined: Jul 2007
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Member of the Inner Circle
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Member of the Inner Circle
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As said one for the gauge one for the switch
JohnV6
2022 CX Plus Four
2025 Renault Scenic Alpine etech "Yvette"
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Talk Morgan Expert
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Talk Morgan Expert
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Similarl to the VDO sensors I fitted to a Guzzi special and as suggested above. A "T" adaptor allows both from the single pressure take off. as i did to mine...not a good pic but shows the adaptor to enable both switch and gauge .. ![[Linked Image]](https://tm-img.com/images/2019/07/20/20190719_160735_resized.jpg)
Steve
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Talk Morgan Expert
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Thank you for your comments! As you see on my picture there is only one switch connected. 
Last edited by bmgermany; 23/12/20 04:47 PM.
2005 4/4 1800ccm Duratec and a lot of HONDA CX500.......
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Learner Plates Off!
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The large silver bit of kit is the pressure transmitter, depending on the number the range could be 0 to 10 bar or 0 to 7 bar. I'm told by Ian John at Caerbont that Morgan invariably specify the incorrect range. Not that that would matter too much as the accuracy is "heaven knows" Ian would not declare any accuracy saying the it was for "indication". I pulled one to pieces and its a lever moving a slidewire over a wire wound resistor, early 19th century technology but admirably suitable for the indicator that it sends its signal to. So don't pay too much attention to what it reads as far as accuracy is concerned.
Can't quite see the other properly but its probably an RTD (resistance temperature detector) thats what i have installed there and it transmits to an oil temp gauge which i had Ian make for me. I also have an RTD installed in the ally Raceline sump as an optional monitoring point. Wish i could post a photo I'd post the calibration readings that i took.
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