How do you replace the blower motor resistor on a 2003 Chevy Silverado? (video)
Where is the blower motor relay on a 2003 Chevy Silverado?
Hello - the blower fan relay is located behind the glove box - small black plastic square. Make sure both fuses for the HVAC/heater are good, and have power to them (one is 10 amp, one is 30 amp). via
Does a 2003 Chevy Silverado have a cabin filter?
Nope,No cabin-air filter on the '03-up trucks. via
How do you change a blower motor on a 2003 Chevy Silverado? (video)
Why do blower motor resistors fail?
In most cases, a blower motor resistor fails due to corrosion or overheating. Sometimes, the mechanical resistance to the motor rotation causes an excessive electric current that can overheat and prematurely damage the blower motor resistor. via
How do you test a fan limit switch? (video)