One or more heater & A/C (HVAC) temperature and/or air delivery mode door actuator may fail, resulting in improper temperature or air delivery. If this occurs, fault code(s) should be stored in the HVAC control module which should assist in diagnoses.
blower module that is located at the bottom of the heater box, next to
the blower motor, above the panel below the glove box, has a tendancy to
go bad, possibly overheat, and melt the larger of the two connectors.
This can lead to one or all sppeds inop. the module will need to be
replaced, and th connector inspected. If the connector is melted, or
discolored, it needs to be replaced. A pigtail with wires, and
connectors, as well as the resistor, should be available at a local GMC or Chevy dealer. Good luck, and please dont forget to rate.
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I was told that the air delivery mode door actuator is either under the dash that you can reach to. Or it is in the dash were you have to drop the dash to get to it. On the 1999 Izusu Amigo do you know which location it is????.
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