blower motor for 1998 gmc sierra 4x4 is located on the passsenger side,under the dash, you will need to remove the glove compartment door for easier accessand to remove blower motor cover.
Under the dashboard at the feet of the passenger side.
Remove the wiring harness from the back of the blower motor in your 1993 GMC 1500. Remove the blower motor retaining bolts. If the new blower motor does not have the fan attached to and you will need to remove the fan from the old blower motor. Reverse the process to install the new blower motor.
Inside the vehicle passenger side under glove box. Remove plastic fairing with two bolts..
under the motor
Passenger side under the hood.
Two under the motor.
The starter of the 1994 GMC Sierra 1500 pickup is located on the dashboard. It is usually attached by a small wire.
usually mounted on or next to blower motor
Go To Your Underhood Fuse/Relay Center Located Near The Master Cylinder. You Will Find The Relay There.
If you are sure that everything is working correctly then check the ground going to the blower motor assembly.............. Which goes through the blower resistor.
depending on the year of the truck. if it is in the late 90's it is on the driver side of the motor. It is in a stupid spot top get at. It is horizontal to the motor. if it is a 4x4 it is right behind the differential.
The thermostat is located on the engine on a 1998 GMC Sierra 1500 standard. The thermostat can be found by following the upper radiator hose directly to the thermostat,