System Description: Notes

Power is supplied at all times:

from 30A fusible link (letter d, located in the fuse and fusible link box)
to circuit breaker terminal +,
through circuit breaker terminal -,
to power window relay terminal 5.

With ignition switch in ON or START position, power is supplied:

through 10A fuse [No. 10, located in the fuse block (J/B)],
to power window relay terminal 1.

Ground is supplied:

to power window relay terminal 2
through body grounds M28 and M54.

The power window relay is energized and power is supplied:

through power window relay terminal 3,
to main power window and door lock/unlock switch terminal 1,
to front power window switch RH terminal 5,
to rear power window switch LH and RH terminal 5.