i unplug the resistor on my 1993 GMC pick up heater blower and the blower keep on blowing on high but the blower won't turn off when i turn the switch off

Asked by Jan 20, 2018 at 09:44 AM about the 1993 GMC Sierra C/K 1500

Question type: Maintenance & Repair

my blower  motor won't operate on any other setting then high and keep on
blowing when i unplug the resistor

1 Answer


correct, the resistor is bad,that is what gives you your lower speeds, time for a new one. ( check wires also,make sure there not burnt.)

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