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Light Bulb for FM 100B

johnkarma

New Member
Does anyone know what kind of replacement I can use for the light bulbs illuminating the dial glass on the sides?
 
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Measure the length of the individual bulb. Generally the festoon bulbs were about 1-1/4" to 1-1/2 " in length with some units using a longer (almost 2" or more )festoon. Ebay for the Festoon's but make sure they are 6.3 or 8v bulbs. The 8V will be slightly darker but will last longer. .200A to .300A is fine. Festoon bulbs on ebay are going to be outrageously expensive per bulb, most likely pulls from an old unit(they aren't being made anymore in the size, voltage,wattage needed) so I use a fuse type bulb instead. 1-1/4" long, 7 or 8v .200A to .250A Does the same job, no difference in lighting, and you can't tell the difference until you open it up.
Like this bulb here........ http://www.wjoe.com/diallamps.htm scroll down to Festoon, fuse, meter lamps. look for these part #'s;
207264
203223
202217
207269
Single bulbs are $.90 each, but getting a pack of 10 brings the cost down to $.75 each.


 
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