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Jun 14th, 2026
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Joined: Nov 2011
Posts: 36
Just Getting Started
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OP
Just Getting Started
Joined: Nov 2011
Posts: 36 |
On my '67 Plus 4 (four seater) is a 4" (round) and about 4-5" deep round cylinder (bolted on to the end of the tool box) that is in line to the coil/points going to a toggle switch under the dash and from that switch off in to the mystery wire harness. I'm told it is a booster. I've asked several very very knowledgeable people about it and they all agree it is some sort of booster, but no one has ever see anything like it. So I'm a bit puzzled.. I can send a picture... Thanks ,Pat
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Joined: Aug 2008
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Talk Morgan Expert
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Talk Morgan Expert
Joined: Aug 2008
Posts: 2,515 Likes: 1 |
A picture and a simple wiring diagram would be helpful if you could manage it.
1972 4/4 2 Seater
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Joined: Jul 2007
Posts: 28,892 Likes: 350
Salty Sea Dog Member of the Inner Circle
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Salty Sea Dog Member of the Inner Circle
Joined: Jul 2007
Posts: 28,892 Likes: 350 |
Pat,
Thinking of info that appeared on another forum a while ago, and that your car was imported from the USA, there were a number of 'booster' type devices available on the accessory market over there. I can't remember the make/model discussed on the other forum - but it would seem some swore by them and others at them. If you are doing a refurb on the engine it may be worth you considering fitting a full electronic distributor instead...
Cheers,
Graham (G4FUJ)
Sold L44FOR 4/4 Giallo Fly
'11 MINI Countryman Cooper D All4
'90 LR 90 SW
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Joined: Aug 2008
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Talk Morgan Expert
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Talk Morgan Expert
Joined: Aug 2008
Posts: 2,515 Likes: 1 |
 Difficult to tell but it could well be one of those proprietary electronic ignition devices that were around in the seventies. Does the car retain its points? I'd take Graham's recommendation above and go for the electronic distributor.
1972 4/4 2 Seater
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Joined: Nov 2010
Posts: 167
L - Learner Plates On
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L - Learner Plates On
Joined: Nov 2010
Posts: 167 |
Could be a one off item. The big can is probably a heat sink.
'65 +4 four seater
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Joined: Dec 2008
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Roadster Guru Member of the Inner Circle
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Roadster Guru Member of the Inner Circle
Joined: Dec 2008
Posts: 22,356 Likes: 353 |
Those three fitments look really familiar, but I just can't place them.
DaveW
'05 Red Roadster S1
'16 Yellow (Not the only) Narrow AR GDI Plus 4
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Joined: Aug 2008
Posts: 2,515 Likes: 1
Talk Morgan Expert
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Talk Morgan Expert
Joined: Aug 2008
Posts: 2,515 Likes: 1 |
Those three fitments look really familiar, but I just can't place them. I think they're transistor casings which lends credence to the idea that it's one of those ignition units designed to boost spark and cut out arcing across the points.
1972 4/4 2 Seater
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Joined: Jul 2007
Posts: 28,892 Likes: 350
Salty Sea Dog Member of the Inner Circle
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Salty Sea Dog Member of the Inner Circle
Joined: Jul 2007
Posts: 28,892 Likes: 350 |
They are - 'power' transistors. I put that in the other post showing this (photo section perhaps?). If I think long and hard I might even come up with the encapsulation code... 
Graham (G4FUJ)
Sold L44FOR 4/4 Giallo Fly
'11 MINI Countryman Cooper D All4
'90 LR 90 SW
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Joined: Aug 2008
Posts: 2,515 Likes: 1
Talk Morgan Expert
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Talk Morgan Expert
Joined: Aug 2008
Posts: 2,515 Likes: 1 |
Sorry Graham, I didn't see your other post.
1972 4/4 2 Seater
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Joined: Jul 2007
Posts: 28,892 Likes: 350
Salty Sea Dog Member of the Inner Circle
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Salty Sea Dog Member of the Inner Circle
Joined: Jul 2007
Posts: 28,892 Likes: 350 |
No worries! I found the pic in the photo section before I saw this thread - hence posting the info there... Could have duplicated it I suppose but...  was more important  Still can't think of the encapsulation - been away from proper electronics for too long... Cheers,
Graham (G4FUJ)
Sold L44FOR 4/4 Giallo Fly
'11 MINI Countryman Cooper D All4
'90 LR 90 SW
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