I just had a left transfer case install and it seems to work just fine. However, I am a biit confused about the dash lights when 4hi or lo is ingaged. When in 2wd no lights are on, thats good, but when in 4wd the VSC goes off, and slipping indicator light is on only when the A-trac is off. When the A-trac is turned on, no slipping light. Is this normal?