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SM5 Switch Panel. Anyone repair them ?

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SM5 Switch Panel. Anyone repair them ?
AustinWood Offline
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#11
13-02-2018, 10:09 AM
There are 2 variants. One has the coil of wire and a 3.5 volt bulb. The other has no wire coil and a six volt bulb.
It is easy to convert the 3.5 volt to six either by replacing the wire with a resistor as Dave suggests or removing the wire and fitting a 6 volt bulb.
Jim
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"Slack Alice" Simon Offline
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#12
13-02-2018, 01:00 PM
(13-02-2018, 10:09 AM)AustinWood Wrote: There are 2 variants. One has the coil of wire and a 3.5 volt bulb. The other has no wire coil and a six volt bulb.
It is easy to convert the 3.5 volt to six either by replacing the wire with a resistor as Dave suggests or removing the wire and fitting a 6 volt bulb.

I simply use a 12v bulb.   Works fine.

Simon
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Mike Costigan Offline
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Car type: 1938 Talbot Ten Airline
#13
13-02-2018, 07:07 PM
The 20-0-20 ammeter suggests a 12 volt application, probably an Austin 12/4.
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Dave Wortley Offline
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#14
07-03-2018, 09:33 AM
Mike,
My RN has a 20-0-20 switchpanel. It’s the original one as fitted.
Cheers,
Dave.
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Duncan Grimmond Offline
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#15
07-03-2018, 07:23 PM
Quote
"Pop down to Maplins and get a 27 ohm resistor to replace the wire wound one."

You'll have to be quick!
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