It is located on the transfer case. It'll be on the drivers side of the transfer cas, right next to the front drive shaft, in about the middle of the vehicle! Good luck , it is a hard to get out!
On the front axle, passengers side of carrier housing.
AutoZone.com
four wheel drive actuator less then $50 online at http://www.autozone.com. the four wheel drive actuator is basically an electronic hub locking system. replacing this part should fix 'er up! p.s. i have a '94 s10 blazer vortec v6 same problem and it worked!
where is the transmission control system on a 1996 chevy silverado 2 wheel drive 5.7
2 wheel drive
there could be more than one factor it sounds like the actuator is bad or if your blazer has partial vacumm control then you could have a vacumm leak
A 1996 Chevy Blazer Does have a transfer case IF it is equipped with 4 wheel drive
Left side (drivers side) of transmission.
It is screewed into the front Differential, towards passenger side but in the middle of the housing.
behind transmission but in front of rearend that is if indeed it's a 4x4 and not a rear wheel drive only
Under the battery Plate.