need 1993 chevrolet pickup c1500 wiring diagram

[Kurt L]

having electrical issues with wifes truck and need the
wiring diagram and electrical schematics

turn on the lights and all guages stop working along with dash lights,
emergency flasher lights come on also (not blinking) and now the
windows dont need the key on to put them up or down.
Also when lights are on low beam, the high beam blue lite comes on,
when on highbeam the blue lite is off
after afew minutes, usually, everything starts working right, but not always