The blower speed switch on the dash and the plastic electrical plug that plugs into it may have melted down.
chevy blazer fan bolts are a 13 mm bolt. There will be 4 of them
Under the hood, on the passenger side of firewall, near the blower motor.
were is the heater relay on1996 jimmy?
The switch or wiring has an intermittent connection. Try shaking the switch knob to see if the fan turns on and off. If it does then the switch is bad.
It is attached to the fan.
Put your new fan belt around the pulleys of your 1992 Chevy Blazer. Tighten the fan belt with the tensioner pulley.
how to change the fan belt on a 1995 Chevy blazer vortec motor?
Remove the wiring harness from the back of your 1994 Chevy heater fan motor. Remove the heater fan motor retaining bolts. Remove the fan from the front of the heater motor. Reverse the process to install the new heater fan motor.
your fan is shot or it could be a fuse if it the fan it is located under your dash if you buy the fan you will know what it look like pretty easy to install you can get the fan at any auto part store
The heater fan is located under the dash on the passenger side
The water pump on a Chevy Blazer 4.3l is on the front of the engine. The Fan and fan shroud will have to be removed to gain access.
The heater fan I believe is located behind the glovebox by the firewall. Just remove the duct and unbolt the fan.