What, me use Physics?
That will teach me to type faster than I think, especially on topics I haven't used in 35 years!! Larry is, as usual, correct: parallel, not series! Screwed the pooch on that one.
Larry: If Michael decides to go with the resistor instead of the modified warning light module, do you think the control lamp circuit will be tolerant enough of any minor variation in load to work properly? I had problems with the 'lamp out' light when I used a generic tail light bulb, solved by going with a quality bulb.
2003 Firemist Red/grey leather SL 500
2015 Palladium Silver/black mbtex GLK 350
1987 Smoke Silver/burgundy mbtex 300E Sportline (SOLD)
Click to see 87 300E