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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Battery Charging Help!
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<blockquote data-quote="pmcmanners" data-source="post: 173044" data-attributes="member: 5639"><p>Thanks for all the replies.</p><p></p><p>It is definitely the original 6v Miller dynamo and regulator as pictures above (Thx Chris S)</p><p></p><p>Tested Dynamo output before it gets to the regulator (2 wires coming out of the side of dynamo) and nothing.</p><p></p><p>Put a meter on the end output (brass pin) that goes to the Amp meter and the reading were all over the place - I was expecting a stable DC reading, but could be doing it wrong.</p><p></p><p>I assume if I got a modern electronic rectifier it would still need the DC feed from the dynamo - the regulator would then take this high DC voltage and regulate it to about 7.5v to charge the battery!</p><p></p><p><strong>Anyone got any tips or tricks to test the dynamo?</strong> All we have do so far is look at the amp meter on headlight and used a volt meter on battery terminals when bike is running, and on the two wires going to the regulator.</p><p></p><p>Had a good day replacing a lot of crappy wiring - looks like Stevie Wonder has been working on it in the past !!!!!</p><p></p><p>A 12v upgrade is a possibility, but was very shocked at the price of the dynamo - <strong>anyone know where the cheapest place is to source one?</strong></p></blockquote><p></p>
[QUOTE="pmcmanners, post: 173044, member: 5639"] Thanks for all the replies. It is definitely the original 6v Miller dynamo and regulator as pictures above (Thx Chris S) Tested Dynamo output before it gets to the regulator (2 wires coming out of the side of dynamo) and nothing. Put a meter on the end output (brass pin) that goes to the Amp meter and the reading were all over the place - I was expecting a stable DC reading, but could be doing it wrong. I assume if I got a modern electronic rectifier it would still need the DC feed from the dynamo - the regulator would then take this high DC voltage and regulate it to about 7.5v to charge the battery! [B]Anyone got any tips or tricks to test the dynamo?[/B] All we have do so far is look at the amp meter on headlight and used a volt meter on battery terminals when bike is running, and on the two wires going to the regulator. Had a good day replacing a lot of crappy wiring - looks like Stevie Wonder has been working on it in the past !!!!! A 12v upgrade is a possibility, but was very shocked at the price of the dynamo - [B]anyone know where the cheapest place is to source one?[/B] [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Battery Charging Help!
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