Tail Lamp: Description and Operation

Battery voltage is applied at all times to the coil and contact of the tail lamp relay from Fusible link F With the light switch in PARK or HEAD, the coil of the tail lamp relay is grounded through the light switch.
Battery voltage from Left/Right tail lamp fuse is then provided to the lamps (Left/Right side marker lamps (WAGON only), Left/Right tail lamps, Left/Right park lamps, license lamp (SEDAN) and Left/Right license lamp (WAGON)) through the tail lamp relay contact and all the lamps go on.