Aren't Halogen bulbs suppose to be used with a resistor/regulator of some sought within the old system of our old cars?
My understanding based on the last line in Hella's description is no
Vision Plus 7" Sealed Beam Conversion Headlamp Ideal for: • Retrofitting older sealed beam headlights to newer halogen replaceable bulbs
Features: • Based on European headlamp technology • Brighter than a standard halogen due to improved optics without increased glare • Produces 50% more powerful beam on low beam • Produces 25% more powerful beam on high beam • Single lamp fits left or right • Replaces 6012, 6014, 6015, 6016, 6017, H6024, H6014, H6017, H6026 • Direct replacement for older sealed beam bulbs – no modifications
