The high beam lamps are the inner ones. When on high beam the
brighter filliment in the outer lamp will also light making all four lamps light. The dimer filliment in the outer sealed beam is your low beam.


1 1955 Chev one ton. 261 engine

3 1962 Chev c-10 261 engine
4 1966 Plymouth VIP 5.7 GenIII Hemi
5 1966 Imperial Crown Coupe 440 engine