Remove the front floor kick-up panel.
where to find heater resistor 2004
Your heater fan resistor module requires replacment
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.
under the hood
there should be a diagram on the back of the plastic panel you had to remove to look at the fuses.
You don't change it. Ask your driver to get the car at a specialised service :)
By asking acablest to do it.
check fuse , fuses located under dash left of steering column. second check heater fan switch finally the fan motor located under hood passenger side
YOUR BLOWER RESISTER IS BAD
Using a wire diagram for a '70 Corvette, check continuity between wire terminations. It's most likely a bad connection somewhere, be it a wire or a terminal. Hope that helps!-ku2002
Replace the blower motor resistor.
The fan motor has a short...change it.