my transmission oil temp lite goes on dnt know why. car runs good changed the transfer case gear box oil... does it mean I need o change tranny fluid? in the manual it says its from towing or hi temps or driving w parking break on, non of which im doing. if anyone knows anything please help me out

 

If you have a D2 it can be tranny or transfer case, both overheat sensors turn on same light. Can also be grounds on the wire or connector, check one on transfer case.