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Re: [Shop-talk] looking for small light bulbs

To: 'Matt Trebelhorn' <>
Subject: Re: [Shop-talk] looking for small light bulbs
From: Donald H Locker <>
Date: Sun, 24 Feb 2008 18:25:31 -0500
But remember that the "12V" in a vehicle is actually 13.2+ under operating 
conditions.  And can get higher.

Were I in your shoes, I'd find an operating lamp, measure the current it draws 
while operating at nominal battery voltage, then choose a 16V lamp that would 
have that much power at 12V.


Gerald Brazil wrote:
> What about those "grain of wheat" bulbs that model railroaders use?....I
> have no idea what they are, but 12v is a distinct possibility.....
> -----Original Message-----
> From:
> [] On Behalf
> Of Matt Trebelhorn
> Sent: Sunday, February 24, 2008 2:32 PM
> To: shoptalk
> Subject: [Shop-talk] looking for small light bulbs
> I don't have a part number or a spec -- these are light bulbs that go
> inside switches in a 95 Volkswagen.  Dealers will sell a new switch
> for $160; vwvortex will tell me "dude! that's a bummer!".
> So if I'm looking for a little bulb, where should I go?
> It's a very small bulb -- not an LED; two leads sticking out the
> bottom, about 3/4" long.  It's soldered to the switch.
> If I had to guess on specs, I'd say 12v/1w 12v/.5w; though it could
> be even lower wattage.
> Ideas?
> Thanks,
> Matt
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