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Author Message   Winfried Rating: N/A Votes: 0 Posted on Wednesday, July 21, 2004 - 02:04 pm:    You can check the lamps with an ohmmeter (i.e. any handheld digital multimeter). It should show a resistance of 10 ohms or so. When replacing it you should try to find a miniature bulb with a rating of 4 to 5 volts and 20 milli-amps approx. I found some in a model craft shop, they are used for model train lighting. You can also try to replace them by a LED plus a matching series resistor.