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Wales
by Joske Vermeule, September 1
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Jun 14th, 2026
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Joined: Feb 2011
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Member of the Inner Circle
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Member of the Inner Circle
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I'm flummoxed Peter! I'd have guessed an ECU fault but I'm no expert. What timing....the day before your trip to Williams for service and MOT!
Good luck!
Jays
Former Morgan owner. Gone but hopefully not forgotten!
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Joined: Apr 2014
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Talk Morgan Addict
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Talk Morgan Addict
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I have spoken to Peter and played with my roadster by taking of the single row connector off the back right hand side of centre instrument cluster I get the same symptoms.
More likely a wiring fault with that loom connector or instrument panel than duff ecu
Mark - No Longer driving Archie the Old English Sheep Mog........... 2010 Roadster 3.0 V6 (S3) 
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Formerly known as Aldermog Member of the Inner Circle
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OP
Formerly known as Aldermog Member of the Inner Circle
Joined: Aug 2013
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I tend to agree with Milligoon, but I checked the connectors off and replaced them. So I need to check the other end of the connector.
With nothing to lose, so I'll replace the 20A and 30A fuses even though they seem to be OK.
Off to Halfords as soon as they open: I doubt it will achieve anything, but....
I'll also swap the fan relays for the ignition and fuel pump relays.
Then I'll phone Williams...
Peter,
66, 2016 Porsche Boxster S
No longer driving Tarka, the 2014 Plus 8...
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Peter, did you find and check the multi earth point? From memory a clump of black wires that go to a stud upper right hand side behind the dash....maybe your soundproofing has affected/dislodged the wiring to it?
BR Colin
Who used to be a Spanner Juggler
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Ian
2011 Plus 4
Wild Mogs Reims 2019, Goodwood 2018, Isle of Man 2017, Carried on to Caramulo" 2016
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Had a look at the 4/4 wiring diagram, as I cannot find the Roadster one.
I would check the White connector on the rear of the steering lock as the circuits that you mention as failing share that connection. Just a thought.
We are all with you to get the issue sorted.
Ian
2011 Plus 4
Wild Mogs Reims 2019, Goodwood 2018, Isle of Man 2017, Carried on to Caramulo" 2016
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Learner Plates Off!
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Learner Plates Off!
Joined: Jan 2013
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In a similar situation I found that one cable had been squeezed under a washer and got warm enough to work as a resistor. It made a relay falter and the symptoms were very similar to yours. I guess the same could happen with a bad connector. My thoughts are: what has changed since your car worked properly the last time? I guess yours are too I wish you good luck!
Last edited by Lecat; 18/08/14 02:07 PM.
-99 4/4, 1.8 Zetec, Indigo Blue, 2-seat, Suplex RS
-04 Citroen Pluriel, 1.6 Sensodrive, Met Orange
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Joined: Aug 2013
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Formerly known as Aldermog Member of the Inner Circle
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OP
Formerly known as Aldermog Member of the Inner Circle
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Well it is in the hands of the guys at Williams now... Of course whatever has happened must be my fault as I was the last person working on it - I removed the dashboard to get at the cable runs behind. So I got some gentle ribbing from Lawrie...!  There are a lot of not used conectors there, some taped up, others hanging free. The wires to the long thin connector on the RHS of the back of the instrumentpannel has some wires with damaged insulation where the heater temperature quadrant rubs against them.... We shall see what happened. No doubt it will cost me money.
Peter,
66, 2016 Porsche Boxster S
No longer driving Tarka, the 2014 Plus 8...
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Talk Morgan Addict
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At least Williams can take the strain. Do they have their own electrical specialist?
Ian
2011 Plus 4
Wild Mogs Reims 2019, Goodwood 2018, Isle of Man 2017, Carried on to Caramulo" 2016
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Joined: Feb 2011
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Member of the Inner Circle
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Member of the Inner Circle
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At least Williams can take the strain. Do they have their own electrical specialist? Lawrie! Peter....was the ribbon connector catching on the heater quadrant? Mine was and I've wrapped it in tape to protect it. Hope they sort out the problem quickly for you. I'm down there on Thursday hopefully so I'll look out for your car!
Jays
Former Morgan owner. Gone but hopefully not forgotten!
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