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Aug 24th, 2023
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Joined: May 2016
Posts: 82
Just Getting Started
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OP
Just Getting Started
Joined: May 2016
Posts: 82 |
I don't know if this is a "It's a Morgan they all do that" but my wipers refuse to work unless the battery is fully charged?
If I don't use the car for a week the wipers only work after driving a few miles even if it is left on a trickle charger.
The only thing I can think is there is not enough current to move the motor?
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Joined: Feb 2016
Posts: 7,924 Likes: 217
Talk Morgan Guru
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Talk Morgan Guru
Joined: Feb 2016
Posts: 7,924 Likes: 217 |
Probably a high resistance somewhere in the circuit. Check connections especially earth and any fuse that might be in the circuit.
Richard
2018 Roadster 3.7
1966 Land Rover S2a 88
2024 Royal Enfield Guerrilla 450
1945 Guzzi Airone
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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 |
It shouldn't be like that. It sounds like a reluctant motor. So either do a clean/service or replace it.
It could also be stiff spindles or rack but you can test that by hand with the motor disconnected.
And also test the motor with the rack disconnected.
DaveW
'05 Red Roadster S1
'16 Yellow (Not the only) Narrow AR GDI Plus 4
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Joined: May 2016
Posts: 82
Just Getting Started
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OP
Just Getting Started
Joined: May 2016
Posts: 82 |
Thanks for your thoughts, I'll check connections and fuse first then look at spindle and motor next and let you know how I get on.
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Joined: Dec 2009
Posts: 35,777 Likes: 468
Tricky Dicky Member of the Inner Circle
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Tricky Dicky Member of the Inner Circle
Joined: Dec 2009
Posts: 35,777 Likes: 468 |
My wipers were reluctant to start and so I took the cover off the worm and nut drive to find that the nylon gears were running dry, just redistributed the grease into the meshing surfaces and it's been fine ever since.
It could well be the extra volts are helping yours overcome the inertial drag somewhere in the drive train.
2009 4/4 Henrietta
1999 Indigo Blue +8
2009 4/4 Sport Green prev
1993 Connaught Green +8 prev
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Joined: May 2016
Posts: 82
Just Getting Started
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OP
Just Getting Started
Joined: May 2016
Posts: 82 |
They are now working as they should. Cleaned up the terminals and everything looks ok. If I get any more problems Thanks to you guys I know what to look at. 
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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 |
DaveW
'05 Red Roadster S1
'16 Yellow (Not the only) Narrow AR GDI Plus 4
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Joined: May 2010
Posts: 9,285 Likes: 69
Needs to Get Out More!
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Needs to Get Out More!
Joined: May 2010
Posts: 9,285 Likes: 69 |
Remember the age of your Morgan !
With advancing years the “hidden” areas decline.
There is a good case for checking and overhauling systems after a few years.
I have done it on a 1993 car fuel train after a pump failure. Draining, flushing, new flexible hoses, extra filter etc.
Same for the wiring under the front wings on the current 2002 car.
Very exposed and bullet connectors.......on finding a bad connection due to corrosion it was overhauled. Did the both sides while at it. New connectors and shrink wrap should see me good for a good while.
Gave the brake system a once over before last MOT....all good. New fluid due next year though.Starting to think about future options - Flexible pipes are good but will upgrade to braided. Will I/ won’t I calliper upgrade? New discs at same time?
Alloy wheels are due a refurb early next year when new tyres put on.
I enjoy working on the Mog so it is not a chore.
Plus Four MY23 Furka Rouge
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