Instrument Cluster / Carrier: Description and Operation
Circuit DescriptionBattery voltage is applied to the coil and contact of the tail lamp relay from fusible link BATT. with the light switch in PARK or HEAD ground is provided to the tail lamp relay coil through the ETACM. Battery voltage from fuse 6 and fuse 7 is then provided to the illumination lamps through the closed contacts of the tail lamp relay.
Ground is provided to the illumination lamps through the rheostat. The rheostat controls brightness of the illumination lamps.