HID headlamp technical documents
DOT-Calcoast tests of
"HID kits"
installed in halogen headlamps (PDFs)
Test #1, with 9004 "HID kit" vs. 9004 bulb
Test #2, with 9006 "HID kit" vs. 9006 bulb
Test #3, with 9004 "HID kit" vs. 9004 bulb
UK documentary showing results of installing "HID kit"
in E-code headlamps designed to produce a sharp cutoff on low beam