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simon crook

CAV dynamo identity ...

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Hey there - Does anyone recognise this CAV dynamo - 11.5 inches long 5.5 inches diameter - 12v clockwise 1960’s no ID plate ... I have to find a voltage regulator for it and it is difficult without details - even an idea of what vehicle it may have come off would be a good start - any help much appreciated - many thanks in advance - simon

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Edited by simon crook
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Try one off an old Land Rover or Morris Minor, my Diamond T 980 regulator didn't work, fitted a Morris Minor one on flying leads and works well.

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Hey there -thanks for your reply - I have bought a heavy Lucas style 130883 regulator- I will bench test it on Tuesday and hopefully it will not fry - if it does I will head for an old defender unit - cheers

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That will be fine, just make sure the field of the dynamo has been sparked to earth for negative earth or positive earth.

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28 minutes ago, Peakrec said:

That will be fine, just make sure the field of the dynamo has been sparked to earth for negative earth or positive earth.

Thanks for that - the dynamo has been polarised Neg earth so hopefully all will be well - I am bench testing tomorrow- all the best - s

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