impaw
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Posts: 208
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« on: 26 November, 2023, 08:27:07 AM » |
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Hello,
As I currently have my engine on a stand, running well, I thought it would be good to test that the dynamo an voltage regulator does a good job.
D+ from the dynamo, does that go to the "+" on the underside of the regulator, and DF on the dynamo to the other connection underside the regulator?
...and then 61 and 51 on the regulator to the battery?
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« Last Edit: 26 November, 2023, 07:58:40 PM by impaw »
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Torstein
1955 Aurelia B20
1966 Fulvia
1966 Fulvia rally/race car
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impaw
Megaposter
Posts: 208
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« Reply #1 on: 27 November, 2023, 04:57:14 PM » |
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hmmm
I think I am wrong about these connections.
If somebody have the time, could they check where D+ and DF from the Dynamo go on the voltage regulator?
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Torstein
1955 Aurelia B20
1966 Fulvia
1966 Fulvia rally/race car
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Kari
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« Reply #2 on: 28 November, 2023, 08:14:24 AM » |
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Please take a picture of the underside of the voltage regulator and post it here.
Karl
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impaw
Megaposter
Posts: 208
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« Reply #3 on: 28 November, 2023, 08:59:21 AM » |
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Hi,
Picture attached.
One of the connectors has a "+" mark, the other seems to be unmarked.
As I understand it 51 is the output from the regulator, and 61 is for the charging light.
So my bet, as of now is
Dynamo "D+" -> VR "+"
Dynamo "DF" -> VR unmarked on underside
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Torstein
1955 Aurelia B20
1966 Fulvia
1966 Fulvia rally/race car
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Kari
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« Reply #4 on: 28 November, 2023, 10:00:44 AM » |
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Your bet is right. Make sure all ground connections exist and the other wire from the charging lamp is connected to ignition+ (15)
Is it a Bosch regulator?
Karl
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impaw
Megaposter
Posts: 208
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« Reply #5 on: 28 November, 2023, 10:02:29 AM » |
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Great, thank you!
It is a Marelli regulator
IŽll try to hook it up in a day or two and see if I can get some charging.
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Torstein
1955 Aurelia B20
1966 Fulvia
1966 Fulvia rally/race car
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impaw
Megaposter
Posts: 208
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« Reply #6 on: 11 May, 2024, 08:06:52 AM » |
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Others parts of the project got in the way, and I have not made this work yet.
I suspect the regulator is faulty, but in order to rule out the dynamo- how much voltage should the dynamo itself make, without the regulator attached?
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Torstein
1955 Aurelia B20
1966 Fulvia
1966 Fulvia rally/race car
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impaw
Megaposter
Posts: 208
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« Reply #7 on: 11 May, 2024, 10:26:22 AM » |
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. Measured about 60mV between the two connectors on the dynamo, at idle, and about 250mV at 3000rpm
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« Last Edit: 11 May, 2024, 10:32:49 AM by impaw »
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Torstein
1955 Aurelia B20
1966 Fulvia
1966 Fulvia rally/race car
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chriswgawne
Permanent resident
Posts: 2055
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« Reply #8 on: 11 May, 2024, 03:39:39 PM » |
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Over the years I have tried to find to find someone somewhere in Europe who can repair the OE Aurelia Marelli voltage regulators without success.
So these days, if I have a problem I fit a modern sold state regulator inside the original Marelli casing which has been well described by Tim Heath in the UK LMC magazine and also on this Forum I recall.
The dynamos themselves rarely need more than new bearings and brushes.
Chris
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Chris Gawne
Mobile: 07778 216552
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Parisien
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« Reply #9 on: 11 May, 2024, 05:14:21 PM » |
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That's very useful Chris, thank you, can you let me know which edition Tim's update appeared in?
P
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Frank Gallagher
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impaw
Megaposter
Posts: 208
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« Reply #10 on: 11 May, 2024, 05:34:57 PM » |
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Thank you Chris, this sounds like the way to go!
Thank you
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Torstein
1955 Aurelia B20
1966 Fulvia
1966 Fulvia rally/race car
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lancialulu
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« Reply #11 on: 11 May, 2024, 08:27:44 PM » |
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I agree!
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Its not the winning but taking part! or is it taking apart?
Lancias:
1955 Aurelia B12
1967 Fulvia 1.3HFR
1972 Fulvia 1600HF
1972 Fulvia Sport 1600
1983 HPE VX
1988 Delta 1.6GTie
1998 Zeta 21. 12v
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