darensml320

99 mercedes ml320 it has a battery drain over night if i and drive it all day and it will start up all day when i go home and park at night and get up the next morning the battery is dead just had a new battery put in and tried another battery thinking that was the cause well its not i hooked a test light to the neg cable and the other end to the neg post and the test light lights up i removed all the fuses under the hood and still the lights on is there another fuse box?