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Not charging

GrahamH
Posts: 126
Joined: Tue Sep 03, 2019 4:03 pm
Location: Bridgwater Somerset

Not charging

Post by GrahamH »

My 1951 consort isn’t charging, I’ve tested the dynamo and that checks out so I’m guessing it’s the regulator, anyone know what type it is and where the best place is to get one?

Cheers

Graham
1951 Daimler DB18 Consort

classiclife
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Location: Ridgewood - East Sussex
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Re: Not charging

Post by classiclife »

Hello Graham,

Presume it's a Lucas RF95 regulator - not cheap either !! That said it is a common shared item between numerous marques AND it can be adjusted if charging rate is incorrect or not charging.

I'd certainly want to be checking every bit of wiring and connection before going the regulator replacement route.

Have you charged the battery with an external charger to see if it is holding it's charge - easily tested with a multimeter or fitting and turning the headlights on. If they fade quickly then the battery is likely to be the issue.

Have you carried out any other checks ??

Regards.

Richard.
1968 Daimler V8-250 Saloon
DLOC East Sussex Branch Secretary
DLOC 2.5L V8 & V8-250 Registrar - https://www.dloc.org.uk/v8-250
DLOC 2024 International Rally - https://www.dloc.org.uk/rally-2024

classiclife
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Location: Ridgewood - East Sussex
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Re: Not charging

Post by classiclife »

Hello Graham,

If the regulator is defective, it may be worth contacting this company (based in Lincolnshire) who rebuild them - how much, I do not know.

Regards.

Richard.

http://www.dynamoregulatorconversions.com/
1968 Daimler V8-250 Saloon
DLOC East Sussex Branch Secretary
DLOC 2.5L V8 & V8-250 Registrar - https://www.dloc.org.uk/v8-250
DLOC 2024 International Rally - https://www.dloc.org.uk/rally-2024

DW1900
Posts: 60
Joined: Sun Mar 27, 2016 2:09 pm
Location: Rode, Somerset

Re: Not charging

Post by DW1900 »

I had a similar problem on my DB18 sports special. I used Sprint Electrics near Warminster PM me for details. He charged about £60 to test and set up the regulator. I took my dynamo as well so he could put it all on his test rig.

Regards Dave W

classiclife
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Re: Not charging

Post by classiclife »

1968 Daimler V8-250 Saloon
DLOC East Sussex Branch Secretary
DLOC 2.5L V8 & V8-250 Registrar - https://www.dloc.org.uk/v8-250
DLOC 2024 International Rally - https://www.dloc.org.uk/rally-2024

GrahamH
Posts: 126
Joined: Tue Sep 03, 2019 4:03 pm
Location: Bridgwater Somerset

Re: Not charging

Post by GrahamH »

Thanks guys, I’ve tested the dynamo and it’s putting out a good voltage but the battery is only showing 12,6 volts when the engine is running fast, also the ammeter doesn’t show a charge, I’ll have a look at the web sites tonight👍🏻
1951 Daimler DB18 Consort

classiclife
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Re: Not charging

Post by classiclife »

Hello Graham,

Can you swap the battery for a known good one - any type will do for testing purposes.

I'm not privy to Consort wiring and as such I do not know if the ammeter takes its information from the regulator or dynamo.

I've never had a faulty regulator in any classic - they are sturdy beasts, but your car is 60yrs+ and yes it's a possibility it may be playing up. Do you have a WSM that shows how to adjust the regulator - the WSM will also confirm which regulator model you have, although as stated I think it is probably the RF95 9post.

Image attached for comparison.

Regards.

Richard.
Attachments
RF95 Regulator.jpg
1968 Daimler V8-250 Saloon
DLOC East Sussex Branch Secretary
DLOC 2.5L V8 & V8-250 Registrar - https://www.dloc.org.uk/v8-250
DLOC 2024 International Rally - https://www.dloc.org.uk/rally-2024

Norfolk Lad
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Posts: 713
Joined: Wed Feb 10, 2016 8:23 pm

Re: Not charging

Post by Norfolk Lad »

Save this and print it will help
.https://www.mg-cars.org.uk/imgytr/pdf/lucas.pdf

Peter

classiclife
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Re: Not charging

Post by classiclife »

That's an excellent document, Peter, thanks for posting it.

All the best.

Richard.
1968 Daimler V8-250 Saloon
DLOC East Sussex Branch Secretary
DLOC 2.5L V8 & V8-250 Registrar - https://www.dloc.org.uk/v8-250
DLOC 2024 International Rally - https://www.dloc.org.uk/rally-2024

grahamemmett
Chief Geek
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Location: Northwich, Cheshire
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Re: Not charging

Post by grahamemmett »

Nicking that for DB18.org!
Graham Emmett ¦ DLOC Chairman ¦ chair@dloc.co.uk ¦ 07967 109160
Northwich, Cheshire
DB18 1949 LCV522 (Yes that one with the P100s)

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