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Jun 14th, 2026
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Joined: Jul 2016
Posts: 14
New to Talk Morgan
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OP
New to Talk Morgan
Joined: Jul 2016
Posts: 14 |
The relay I am now thinking may be bad is the multi-function relay module (part YWB100820L) as it not only controls the pump but powers the ECU. I am not sure, but I don't think the above relay is part of my car's system.
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Joined: Dec 2009
Posts: 37,408 Likes: 977
Tricky Dicky Member of the Inner Circle
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Tricky Dicky Member of the Inner Circle
Joined: Dec 2009
Posts: 37,408 Likes: 977 |
I hope you manage to find one quickly maybe it is a Land Rover part utilising the same engine/ECU unit as yours.
2009 4/4 Sport Henrietta
1999 Indigo Blue +8
2009 4/4 Sport Green prev
1993 Con Green +8 prev
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Joined: May 2009
Posts: 238 Likes: 3
L - Learner Plates On
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L - Learner Plates On
Joined: May 2009
Posts: 238 Likes: 3 |
I had a similar problem on my 1999 +8 this was eventually traced to the immobiliser, I'm unsure if your car will have the same Lucas set up , there are 2 Magic boxes one is operated by the key fob buttons, the other is operated by the key chip, the one operated by the key chip switches the starter , fuel pump , ignition & ECU. Its commonly known as the Spider unit and this unit is prone to dry soldered joints so you can end up with the the thing functioning on most of the switching but possibly failing on just one of them.
Unfortunately they are no longer available, however if you go to the major Landrover suppliers you will find there is a replacement jumper plug ( approx £8) which you use to
A) Use to see if it alleviates the problem
B) As I have done use it as a permanent replacement as you still have the Fob operated immobiliser [b][/b]
1999 Morgan Plus 8. 3.9 ....
1961 Alvis TD21 Series1 3 Litre Auto....
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Joined: Jul 2016
Posts: 14
New to Talk Morgan
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OP
New to Talk Morgan
Joined: Jul 2016
Posts: 14 |
Obtained a brand-new multi-function relay and installed it. Same as before: no fuel pump with ignition, and still unable to comunicate with the ECU. Engine spins nicely but it still doesn't start. Clearly not an issue with the relay. So, is the ECU dead? Lack of pump (and seems spark, too) with an inability to address the ECU would seem to imply it isn't working. Anything else to check?
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Joined: Nov 2011
Posts: 39
Just Getting Started
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Just Getting Started
Joined: Nov 2011
Posts: 39 |
Any chance it might be a faulty ignition module relay?
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Joined: Nov 2011
Posts: 39
Just Getting Started
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Just Getting Started
Joined: Nov 2011
Posts: 39 |
Sorry amplifier not relay,it's been a long day💤
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Joined: Jul 2016
Posts: 14
New to Talk Morgan
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OP
New to Talk Morgan
Joined: Jul 2016
Posts: 14 |
Looking at the GEMS manual I don't see an amplifier as part of the system... Where is it located, and, how would I check it?
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Joined: Apr 2014
Posts: 3,550 Likes: 5
Talk Morgan Addict
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Talk Morgan Addict
Joined: Apr 2014
Posts: 3,550 Likes: 5 |
Have you tried using some quick start? - remove air filter squirt in throttle inlet while engine is turned over.
It would let you definitely know if just fuel delivery if it started.
Mark - No Longer driving Archie the Old English Sheep Mog........... 2010 Roadster 3.0 V6 (S3) 
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Joined: Dec 2011
Posts: 1,943
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Dec 2011
Posts: 1,943 |
Looking at the GEMS manual I don't see an amplifier as part of the system... Where is it located, and, how would I check it? Not sure but I don't think Gems has a Distributor nor an amplifier. The Hotwire system (prior) did have an Dizzy and a amplifier. The 4.0 (Gems) does not. Don't take My word for this. Check it out. But I do have a Gems EFI on the shelf. No amplifier. Or at least I can't find it. Button Seattle
Button
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Joined: Dec 2011
Posts: 1,943
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Dec 2011
Posts: 1,943 |
Fred D. Are You a US'er? Sounds like You need somebody that understands or can recommend somebody who does understand a GEMS/Morgan EFI. Larry Eckler (Morgan Spares) in the East. Bill Fink (ISIS) in the West and Norb near Chicago. For a starter.
Button
Seattle
I use a Edelbrock Carb because I do not understand EFI.
Button
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