If the blower motor speed control is faulty, in addition to replacing it, also replace the electrical connector pigtail harness #14S411 to avoid repeat repairs.
Some 2009-2017 Lincoln Navigator vehicles may exhibit inoperative or intermittent HVAC blower motor function at various fan speed settings. This may be due to a poor electrical connection at the blower motor speed control.
If the blower motor speed control is faulty, in addition to replacing it, also replace the electrical connector pigtail harness #14S411 to avoid repeat repairs.
Information for Technical Service Bulletins comes from ProDemand, Mitchell 1's auto repair information software for domestic and import vehicles. Headquartered in San Diego, Mitchell 1 has provided quality repair information solutions to the automotive industry since 1918.
