Fuel Gauge: Description and Operation

With the ignition switch in the ON or START position, power is supplied:
^ through 10 A fuse (No. (13) located in the fuse block (J/B))
^ to combination meter terminal (41)
Ground is supplied:
^ to combination meter terminal (31), (10) and (38)
^ through body grounds (M13) and (M73)

FUEL GAUGE
The fuel gauge indicates the approximate fuel level in the fuel tank.
The fuel gauge is regulated by a variable ground signal supplied:
^ to combination meter terminal (13) for the fuel gauge
^ from terminal (3) of the fuel tank gauge unit
^ through terminal (2) of the fuel tank gauge unit and
^ through body grounds (B16) and (B19)