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Old 15 February 2015, 08:29   #1
Country: UK - England
Town: Winchester
Boat name: Raven
Make: Westerly 33/Avon 310
Length: 5m +
Engine: Mercedes 42 Toh9.8
Join Date: May 2009
Posts: 265
LR Discovery 3 Charging/Battery issues

Hi to all

Can you please help, we have a LR Disco 3 that was causing problems with loads of lights on the dash resulting in it conking out and then it would not start, jumped started it drove it home, charged the battery off the mains and same again - so a new battery was fitted.

Now we just have the one battery light on the dash and it seams to be charging with an increase in volts if its left at idle. Thru fear of the new battery I shut it down and turned to Ribnet, now what should I do.

No jokes from the Jap boys please...


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Old 15 February 2015, 08:52   #2
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Country: UK - England
Town: Royal Wootton Bassett
Make: Custom RIB
Length: 8m +
Engine: 250
Join Date: Jul 2008
Posts: 7,953
Here you go

DISCO3.CO.UK - Index


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Old 15 February 2015, 09:01   #3
Country: UK - England
Town: Lancashire , Scotland
Boat name: TARKA
Make: Humber Destroyer
Length: 5m +
Engine: 3.3,75
Join Date: Jun 2011
Posts: 196
Hi, If its over voltage at idle >14v , id be looking at the alternator/regulator pack
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Old 15 February 2015, 10:09   #4
Country: UK - England
Make: Zodiac
Length: under 3m
Engine: Outboard
Join Date: Dec 2014
Posts: 107
D3's are known to eat alternators, prob your issue
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Old 15 February 2015, 10:34   #5
Nasher's Avatar
Country: Other
Town: Principalite d'Chaos
Boat name: The Nashers Revenge!
Make: Ocean & Bombard
Length: 6m +
Engine: Suzi DT200EFI, DT9.9
MMSI: "Mmmmm SI" she said!
Join Date: Jan 2004
Posts: 4,141
I'd definitely suggest you pop over and visit us at Disco3.

However, I would agree it looks like your alternator regulator pack has decided to call it a day.

Changing the Alternator on a D3 isn't too bad a job even, the most difficult bit I had was getting the viscous fan off.

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