i have a 1993 s10 blazer 4.3 v6 vortec with 103,000 miles on it and just recentaly when i put extreme stress on the engine(brake torqueing, burnouts, ect.) i blow the ign,gau fuse. when this happens it goes directally to 3rd gear and won't shift up or down from there. to fix it i used to shutoff the car and replace the fuse and wait a few minutes and it would shift right again. but then i got worse and everytime i put it in gear it would blow the 20 amp fuse so i put a bigger fuse in it. well the other day i blew that one cause i was curious if it was still doing it. well needless to say i blew that fuse and also something else. now that fuse is fine but it is still not shifting. does anybody have a clue as to what this might be?????

 

Yeah, how about 'complete lack of vehicle care knowledge'?