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how to replace the blower motor resistor? on 1992 Pontiac Grand Am

fan switch worked on low and high only,then stopped altogether

This car has no blower resistor, it runs of two (2) relays that are located underhood on firewall in a group of relays. one relay is called blower motor high/low relay the other is the blower motor relay. hope this helps
Auto DracoCat
BLOWER motor should have a resistor near the blower look behind/ under glove box.