I have a 95 S10 blazer 2wd. My problem is the heater blower dont turn on , wipers dont work, tach does not work, radio does not work, windows dont work. I recently changed out my ignition switch. I am at a loss I dotn know what to do next. Oh and I have to manual shift the trans and it only shifts to second gear...

 

You didnt mention what you have done so far for diagnosis or your mechanical ability to do such. Did all those features work fine until the ign switch? Have you checked your fuses? Did you double check the connections at your ign switch, is it possible you put the wires back on wrong?

 

Double checked the connections and fuses even swapped out computer. What prompted me to change the ignition switch was the above problems everything else worked fine.,