Here is a typical schematic of 1998 Chevrolet Blazer Blower Motor Control Module Circuit Diagram. The blower motor system consists of: underhood fuse block, IP fuse block, electronic climate control module, blower control module, blower motor, splice pack, data link connector, and battery.

ChevroletBlazerBlowerMotorControlMod

The blower switch provides various blower speeds. It receives power through a fuse in fuse block when ignition is on. In various speed positions, circuit continues through wiring harness to blower motor resistor assembly near blower motor.



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