Two problems related to automatic transmission column shift have been reported for the 1999 Chevrolet Blazer. The most recently reported issues are listed below.
While driving or at a stop the vehicle will kick itself into four wheel drive. When it does that vehicle is very hard to control. Contacted dealer, and dealer can't find what is wrong with vehicle.
Four-wheel light illuminated on dashboard, four wheel drive did not function. Consumer was informed by mechanic that the problem is the 4-wheel drive sensor motor.