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Aug 24th, 2023
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Joined: Sep 2018
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Just Getting Started
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OP
Just Getting Started
Joined: Sep 2018
Posts: 36 |
Running the 3-wheeler the other day noticed voltage on the readout at 17.1. Normally at 14.1 ish... Any thoughts? Yet another regulator biting the dust??
2013 M3W
2019 Roadster
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Joined: Jul 2013
Posts: 3,658 Likes: 48
Talk Morgan Addict
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Talk Morgan Addict
Joined: Jul 2013
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You should normally be seeing more like 14.4 volts when running at more than about 1,500 rpm. at 17.1 you are in danger of overcharging/overheating the battery and, more importantly cooking your ECU.
Unfortunately it does all point to the regulator and a well proven replacement is detailed in the Alternative Parts List.
Red Leader 
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Joined: Sep 2018
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Just Getting Started
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OP
Just Getting Started
Joined: Sep 2018
Posts: 36 |
Chris thx.. Another regulator bites the dust.
2013 M3W
2019 Roadster
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Joined: Feb 2018
Posts: 759 Likes: 23
Talk Morgan Regular
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Talk Morgan Regular
Joined: Feb 2018
Posts: 759 Likes: 23 |
If your regulator is still mounted on the engine mount, I would suggest relocating to the body somewhere. In this photo you can see where I relocated mine. Look just below the left turn signal. In this position it gets direct cooling air when viewed straight on. ![[Linked Image]](https://www.tm-img.com/images/2019/03/02/IMG_1492.jpg)
Last edited by Bitsobrits; 22/07/23 02:09 AM.
Steve
Late 2012 M3W
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Talk Morgan Guru
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Talk Morgan Guru
Joined: Feb 2016
Posts: 7,918 Likes: 216 |
Yes get that sorted quickly as it will impair life of battery due to extra acidity in electrolyte from overcharging. ECU damage is unpredictable but certainly possible.
Richard
2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone
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Joined: Jul 2013
Posts: 3,658 Likes: 48
Talk Morgan Addict
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Talk Morgan Addict
Joined: Jul 2013
Posts: 3,658 Likes: 48 |
The regulator the Harley type can be reliably mounted in the same place as the OEM. You can also mount it directly to the backplate, no need for the rubber isolator blocks.
If you replace with an OEM Morgan regulator then moving the mount to the later car's side of the engine location is a good idea.
Red Leader
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Joined: Feb 2019
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Talk Morgan Addict
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Talk Morgan Addict
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If your regulator is still mounted on the engine mount, I would suggest relocating to the body somewhere. In this photo you can see where I relocated mine. Look just below the left turn signal. In this position it gets direct cooling air when viewed straight on. Did you make a mounting/backing plate to be located behind the body panel inside the footwell forward of the pedal assembly? It is a cleaner location for the rectifier for sure.
The light at the end of the tunnel is actually a train. 2019 M3W
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Joined: Jan 2022
Posts: 62
Just Getting Started
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Just Getting Started
Joined: Jan 2022
Posts: 62 |
Also check the earth connections are good and clean and more importantly a metal to metal contact (Morgan seem to think a shakeproof washer makes a good earth connection without removing any paint), i have had similar regulator problem with a bad earths on a classic car purely down to a bad earth
Last edited by RichJames; 22/07/23 05:04 PM.
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Joined: Mar 2014
Posts: 1,673 Likes: 25
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Mar 2014
Posts: 1,673 Likes: 25 |
If anyone wants to relocate their Rectifier, this may help. ![[Linked Image]](http://tm-img.com/images/2023/07/23/Rectifier-Install-compressed.png)
Andy
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1 member likes this:
Will Stotts |
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Joined: Feb 2018
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Talk Morgan Regular
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Talk Morgan Regular
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"Did you make a mounting/backing plate to be located behind the body panel inside the footwell forward of the pedal assembly?"
I used a fabricated nut plate on the inside for my install, but I like Bunny's rivnut idea as well.
Last edited by Bitsobrits; 23/07/23 05:04 PM.
Steve
Late 2012 M3W
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