purchased 2000 blazer 6 months ago,low mileage ,very clean,and loaded,was informed lately that it has remote start.,it doesn't work ,so how doI trouble shoot it to get it working?

 

Well, first off, if it has remote start, it isn't factory. So inorder to even start trouble shooting, you need to do some investigating and find out what it has for a remote starter (make & model at the least). Areas to start looking in would be under the dash on the driver's side.