In article ,
Michael A. Terrell wrote:
FFS. Try measuring a small filament lamp start up current. Illuminated car
lamps switches could easily be too much for one - they might have to be
visible in the daylight.


I did. About 40 years ago. They were in the 10 to 50 mA range.

So you know for sure what size lamp that switch uses? I couldn't see any
information on the website.

However, 50mA might well be too much for a marginal power supply - as I
said

--
*It is wrong to ever split an infinitive *

Dave Plowman London SW
To e-mail, change noise into sound.