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Ron 6/13/2012
2001 GMC Savana 2500 Base 8Cyl5.7L - Body & Interior
AC/Heat blower/fan malfunction. 3 lower speeds don't work; only high speed fan setting works.
replaced entire dashboard ac/heat control panel; nothing changed. All fuses appear fine. What next?
1 Answer
  • raoul_tiesto
    raoul_tiesto 6/14/2012
    Have u replaced the blower motor resistor?A bad resistor will cause the blower fan to work only on high speed.

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