Santa Fe L4-2.4L (2001)
Instrument Panel Bulb: Description and Operation
Circuit Description
Battery voltage is applied to the coil and contact of the tail lamp relay from the fusible link (B+). With the light switch (multifunction switch) in PARK
or HEAD, ground is provided to the tail lamp relay coil through the light switch.
Battery voltage is then provided to the illumination lamps through the closed contact of the tail lamp relay. Ground is provided to the illumination lamps
through the rheostat. The rheostat controls the brightness of the lamp.
