A lamp or blinker apparatus for a vehicle for saving power and providing a long life and for achieving miniaturization of a lamp body by using a light emitting diode as a light source. The lamp or blinker apparatus for a vehicle includes a front blinker having a light emitting diode as a light source in a lamp body, and a resistance circuit for adjusting the voltage to be applied to the light emitting diode. The resistance circuit is provided separately outside the lamp body. The lamp body case may be formed from a heat transfer member with the light emitting diode attached to the lamp body case.