It Keeps Dieing!!!!

1983 S10 2.8L V6. I WAS DRIVING AND MY TRUCK DIED WHEN I GOT IT BACK ON THE BATTERY VOLTS WAS AT 18 WAY BAD. NOW IT JUST WON'T EVEN GIVE ME DASH LIGHT AT ALL BUT MY HEAD LIGHTS WORK. ????????? HELP.:banghead:

Check the fuses first. Then test the battery and check the cables. Look for loose or corroded.