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Wales
by Joske Vermeule, September 1
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Forums39
Topics49,887
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Jun 14th, 2026
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Joined: Nov 2013
Posts: 24
New to Talk Morgan
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OP
New to Talk Morgan
Joined: Nov 2013
Posts: 24 |
Does anyone have (or know where I can get) the circuit diagrams for the M3W (2013) version? I have the wiring loom diagram but I need the detailed one(s) which show what goes where. My horn doesn't work but the fuse is OK. The flasher unit doesn't work, the Hazards and indicators just stay on or off. I am competent at fixing electical/electronic circuitry, I just need the layout schematics.
M3W makes me smile a lot
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Joined: Jul 2018
Posts: 1,031 Likes: 2
Has a lot to Say!
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Has a lot to Say!
Joined: Jul 2018
Posts: 1,031 Likes: 2 |
Is this any good to you (p.66)? M3W electrics
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Joined: Feb 2016
Posts: 8,688 Likes: 414
Needs to Get Out More!
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Needs to Get Out More!
Joined: Feb 2016
Posts: 8,688 Likes: 414 |
There are no wiring diagrams available per se but loom diagrams are shown for both pre and post 2014 models within the latest parts manual pdf downloadable here. With patience to decode colour codes most wiring can be traced through the loom as individual wires are numbered as well. The relevant pages for your 2013 model are 66 and 67. The individual pages of manual are available to download/view as images here which may offer slightly higher resolution.
Last edited by Richard Wood; 30/10/18 11:50 AM.
Richard
2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone
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Joined: Jan 2017
Posts: 637
Talk Morgan Regular
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Talk Morgan Regular
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Posts: 637 |
Have you been enjoying your new Roadster, Richard?
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Joined: Feb 2016
Posts: 8,688 Likes: 414
Needs to Get Out More!
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Needs to Get Out More!
Joined: Feb 2016
Posts: 8,688 Likes: 414 |
Have you been enjoying your new Roadster, Richard? Oh yes thanks  There's a few posts in the Classics section. Now starting some winter customisation. Adjustable front shocks already fitted, front spoiler, black powder coated grill, headlight rims and overriders plus custom tool tray.
Richard
2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone
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Joined: Jan 2017
Posts: 637
Talk Morgan Regular
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Talk Morgan Regular
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Posts: 637 |
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Joined: May 2011
Posts: 1,625 Likes: 25
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: May 2011
Posts: 1,625 Likes: 25 |
Does anyone have (or know where I can get) the circuit diagrams for the M3W (2013) version? I have the wiring loom diagram but I need the detailed one(s) which show what goes where. My horn doesn't work but the fuse is OK. The flasher unit doesn't work, the Hazards and indicators just stay on or off. I am competent at fixing electical/electronic circuitry, I just need the layout schematics. There have been a few people with indicator issues which turned out to be the Indicator Module, Morgan Part E340098. Located in the vicinity of the fuse box and ECU. There are a few threads about it here on TM. http://www.talkmorgan.com/ubbthreads.php/topics/517572/1http://www.talkmorgan.com/ubbthreads.php/topics/194229/Turn_Signals_and_Emergency_Fla
2021 M3W
2013 M3W - Sold
1971 4/4 2 Seater
1934 Sports
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Joined: Nov 2013
Posts: 24
New to Talk Morgan
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OP
New to Talk Morgan
Joined: Nov 2013
Posts: 24 |
Thanks, I have downloaded the book and it looks like it has enough information for me to work with. 
M3W makes me smile a lot
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Joined: Nov 2013
Posts: 24
New to Talk Morgan
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OP
New to Talk Morgan
Joined: Nov 2013
Posts: 24 |
Thanks, I will now see if I can crack the problem.
I'll keep you posted.
Cheers
Tezzer
M3W makes me smile a lot
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Joined: Feb 2019
Posts: 3,857 Likes: 2
Talk Morgan Addict
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Talk Morgan Addict
Joined: Feb 2019
Posts: 3,857 Likes: 2 |
Was the electrical diagram legible enough to read? I downloaded it and it just is worthless. But so it the wiring practices of MMC. Checkout this fine example of dangling connectors that bang into the aluminum sides and will undoubtedly cause wire fatigue and failure if not fixed. I fixed mine but Lord knows how many are out there with this lurking in their future. ![[Linked Image]](https://www.tm-img.com/images/2019/09/09/IMG_5427.jpg) ![[Linked Image]](https://www.tm-img.com/images/2019/09/09/IMG_5426.jpg) And then there is this neat bundle, which is not terrible. The photos of the underside near the oil filter are much worse. ![[Linked Image]](https://www.tm-img.com/images/2019/09/09/IMG_5424.jpg)
2019 M3W Sold and is now in Las Vegas enjoying the showgirls :-)
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