Pdlewis
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| posted on 18/6/08 at 08:33 PM |
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Electric clocks services
Hello,
Does anyone know a good electrics engineer / service I can send my clocks to. They are R1 clocks they work fine apart from the re counter. I cant
see any burnt out connectors etc so im assuming it is a dead motor but i dont know how to test them
Cheers
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richardh
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| posted on 18/6/08 at 08:37 PM |
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any decent auto eletrician should know what to do.
or you could try the koso rx1n dash. it mounts on the column and not in the scuttle.
koso.com
a lot cheaper than a digidash and it looks great. MNR put me onto them and saved me a packet.........
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Pdlewis
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| posted on 18/6/08 at 08:39 PM |
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I had one on my last car and they are less than £100 if you know where to get them 
but I would like to use the original clocks if possable
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02GF74
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| posted on 18/6/08 at 08:51 PM |
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rev counters, older ones at least, work on the principle of a charge pump - the pulses would supply a fixed amount of charge to a capacitor that was
being discahred by a resistor - the faster the pluls rate, the bigger the boltage on the capacitor. The needle was nothing more than a voltmer
measuring the voltage on the capacitor.
I am not aware if modern units use a stepper motor, no reason why they shouldn't but seems overly complicated/more expensive.
There are 2 companies - I would need to dig details out - that repain and recalibrate instruments.
I suspect the cheaper route for you to get a replacement from breakers or ebay.
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