starter problems

[Project 240]

so ive searched here and 240sxforums.com for days but i cant seem to find good answers.......anyway i drive my car.........95 240......for a while...like 30 mins and i blow starter fuses......and the entire car dies.....radio gauge cluster windows...everything...and i replace the fuse and it cranks fine......the only common problem ive seen is that to make my car look nice for a tire sponsorship opportunity i powerwashed the bottom end of my motor...and all of 3 hours later it started acting funny......any ideas?????......i gotta have it runnin monday