NHTSA recall 89V104000
Visibility › Defroster/defogger/hvac system
Saab 900
The defect
Under certain conditions, a reverse current might flow through a wire cable between the air recirculation switch and a microswitch.
The risk
Heater fan resistor would overheat and smoke in thepassenger compartment heating system, causing discomfort and breathing hazardsto the driver and passengers.
The remedy
Disconnect electrical wire cable and secure by tape around cable harness.