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Joined: Apr 2009
Posts: 198
L - Learner Plates On
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OP
L - Learner Plates On
Joined: Apr 2009
Posts: 198 |
Chaps, I have a 2004 +4 Duratec 2.0 l Today it died at the traffic lights, I pushed it off he road and scratched my chin. The car had started willingly enough, but cut out at idle while waiting for the lights. I arranged a tow in, the garage rang me two minutes after arriving home and told me that the car was now ok, the first 30amp fuse in the under bonnet fuse box was not blown, but the shoe had melted giving an inconsistent contact. A bit of fiddling found a ground and the ignition circuit was made. I am taking the car to an auto electrition tomorrow to check it out, but has anyone a view on what might have caused the failure? All the best Tony
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Joined: May 2009
Posts: 3,727
Green & Grown Up Talk Morgan Addict
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Green & Grown Up Talk Morgan Addict
Joined: May 2009
Posts: 3,727 |
Hi Tony, I have to ask the 'daft question' Is 30amp the correct rating for that fuse? Perhaps the legs overheated when the fuse should have blown?
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Joined: Apr 2009
Posts: 198
L - Learner Plates On
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OP
L - Learner Plates On
Joined: Apr 2009
Posts: 198 |
Frank, I am not sure. I have visited the GoMog resource tonight and looked at the wiring diagrams. I am no electrician but the diagram for roadster fuse boxes indicates that fuse number one in the under bonnet box is the ignition fuse rated at 30 amps. It was the one that the mechanic described as having the faulty shoe - if I understood him correctly over the phone. Thanks for coming back, Tony
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Joined: Sep 2011
Posts: 14,723 Likes: 149
Member of the Inner Circle
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Member of the Inner Circle
Joined: Sep 2011
Posts: 14,723 Likes: 149 |
This sort of thing usually happens when there is a bad contact between the fuse leg and the contacts in the fuse holder. Could be due to a small amount of corrosion following the ingress of water.
I have seen the same thing on motorcycle fuses.
Peter
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Joined: Jun 2008
Posts: 1,597
Talk Morgan Enthusiast
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Talk Morgan Enthusiast
Joined: Jun 2008
Posts: 1,597 |
Sounds like we should all check that area for water ingress, glad it was all solved with no harm done.
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Joined: Dec 2008
Posts: 21,868 Likes: 167
Roadster Guru Member of the Inner Circle
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Roadster Guru Member of the Inner Circle
Joined: Dec 2008
Posts: 21,868 Likes: 167 |
The main fuse box where fitted through the bulkhead should have a plastic cover, but mine didn't when I got it. The cover isn't available separately but you can get the whole thing for about £8 as I recall. May be more expensive from dealers.
DaveW '05 Red Roadster S1 '16 Yellow (Not the only) Narrow AR GDI Plus 4
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Joined: Apr 2009
Posts: 198
L - Learner Plates On
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OP
L - Learner Plates On
Joined: Apr 2009
Posts: 198 |
Chaps, thanks for the responses, Peter is spot on, the car did suffer a deluge sometime before I bought it. The previous owner said it was the only time it let him down, water had found its way into the under bonnet fuse box and caused the engine to cut out. I have now examined the fuse (number one extreme right as you look at it) and is was fairly badly melted, the locating shoe was badly pitted. I took it to an auto-electrician today, he ran a spare from the back of the fuse box, fitted a new bayonet fuse into a snap connector and checked the circuits - and all is well. My wife who was with me when it failed - is not so convinced! All the best Tony
Last edited by RFY99; 01/03/12 08:09 PM. Reason: typo
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Joined: Feb 2011
Posts: 14,009
Member of the Inner Circle
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Member of the Inner Circle
Joined: Feb 2011
Posts: 14,009 |
Not the best topic for my friend to read if he comes on the forum. He's had a problem with one of the 15amp engine fuses blowing. Took it back to the factory to be checked out and it blew again in the fast lane of the Motorway on the way back  Good job he managed to freewheel across to the hard shoulder!
Jays Former Morgan owner. Gone but hopefully not forgotten!
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