1991 Chevrolet Blazer Q&A

1991 Chevrolet Blazer Question: Where is the blower resistor located and what causes the fuse to blow

Every time I turn the blower fan on my heater/ac the fuse blows causing my speedometer to stop working because it is the same fuse 25A -
Answer 1
The resistor is in the heater case under the hood next to the blower motor. Possible wiring issue or bad blower pulling to many amps causing the fuse to blow. -