Vehicle headlamp

A vehicle headlamp comprising a reflector supported on a lamp body;

• a discharge bulb mounted on said reflector;
• a lighting circuit for supplying electric power to said discharge bulb;
• a socket coupled to said discharge bulb to connect said discharge bulb to said lighting circuit;
• an opening portion formed in a portion of said lamp body disposed rearwardly of said discharge bulb;
• and a cover for covering said opening portion;
• wherein:
• a power source-side connector, which is provided on an input line for inputting electric power from a power source into said lighting circuit, and a bulb-side connector, which is connected to one end of an output line which is connected at the other end thereof to said socket so as to output the electric power from said lighting circuit to said discharge bulb, are fixedly secured to a portion of said lamp body disposed in the vicinity of said opening portion;
• said lighting circuit, which is provided with an input connector for connection to said power source-side connector, and an output connector for connection to said bulb-side connector, is integrally formed on said cover;
• and
• when said cover is moved to open said opening portion, the connection between said power source-side connector and said input connector and the connection between said bulb-side connector and said output connector are simultaneously interrupted.