Will bad blower motor resistor blow fuse?

A bad blower motor resistor can cause a fuse to blow if it creates a short circuit or draws excessive current. When the resistor malfunctions, it may either fail open or short out, leading to increased electrical load. This excess current can exceed the fuse's rating, resulting in a blown fuse. However, not all faulty resistors will necessarily blow a fuse; it depends on the nature of the failure.