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Glitch
by BobtheTrain - 18/07/25 05:47 PM
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Forums34
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Aug 24th, 2023
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Joined: Mar 2009
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Talk Morgan Expert
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OP
Talk Morgan Expert
Joined: Mar 2009
Posts: 2,255 Likes: 2 |
Hello everyone.
I have a friend in England with a 2005 P4. He thought that he had a dead battery as the car had not moved for nine weeks as he was here. The new battery is fully charged, there is rapid clicking when the ignition key is operated but the engine will not crank over. I have sent him tests to do but thought that you all might have a quick solution.
Thanks in advance for replies.
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Joined: Nov 2018
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Talk Morgan Sage
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Talk Morgan Sage
Joined: Nov 2018
Posts: 6,055 Likes: 159 |
The rapid clicking will be the starter solenoid. It does sound like there's not enough juice in the battery to crank the engine over. Has he tried a jump start?
1972 4/4 4 seater, 1981 MGB GT
1984 Harley Davidson Electra Glide, 1990 Kawasaki ZX10
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Joined: Nov 2018
Posts: 6,055 Likes: 159
Talk Morgan Sage
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Talk Morgan Sage
Joined: Nov 2018
Posts: 6,055 Likes: 159 |
My next step would be a stuck starter motor?
1972 4/4 4 seater, 1981 MGB GT
1984 Harley Davidson Electra Glide, 1990 Kawasaki ZX10
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Joined: Aug 2010
Posts: 5,216 Likes: 121
Charter Member
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Charter Member
Joined: Aug 2010
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Have the new battery connections and the leads been checked. If the battery is fully charged, it may be that disturbing the earth lead has introduced a high impedance.
Paul
Costock, UK
2014 4/4 Rolls Royce Garnet Red
Disco 5
Teddy - 17h1 Irish Draught cross
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Joined: Mar 2009
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Talk Morgan Expert
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OP
Talk Morgan Expert
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Paul, I\ll get him to check that although I'm sure I mentioned it: TBM, yep tried a jump start. Could well be the starter motor, possibly an alternator problem but he could test for that.
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Joined: Mar 2009
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Talk Morgan Expert
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Talk Morgan Expert
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He is quite near to Tim Ayres so if all else fails....
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Joined: Oct 2019
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Charter Member
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Charter Member
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As above, if the battery is sound (able to maintain voltage even under starting load as opposed to just with a meter across it) .... then I'd check power and earth connections, especially as it's been sat.
K
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Talk Morgan Expert
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L - Learner Plates On
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L - Learner Plates On
Joined: Sep 2019
Posts: 102 Likes: 1 |
There should be an earth strap from the engine to the chassis, undo the bolt at the chassis end as it might look ok but when you take off may need cleaning up.
With the jump start, suggest connect the leads in the engine bay rather than to the battery terminals
Tim
Plus 4 2018
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Joined: Jul 2007
Posts: 26,746 Likes: 419
Member of the Inner Circle
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Member of the Inner Circle
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Posts: 26,746 Likes: 419 |
Definitely clean the earth strap
JohnV6
2022 CX Plus Four
2025 MG ZS EV aka Trigger
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