i think i may have posted in wrong forum ..i love blazers and i recently got one and the 4wd do not work the bottons do not light up when i press them .so i took a look under the truck and i c that the owner before me cut right through the cv joints ..why did he do this was it a off road problem were he got really stuck or dose it have something to do with the trasnfer case help me plz ..if the cv joints are cut is that why the bottons wont light up or is there another problem beside my cv joints much appriacted