Choose your cabin fan setting with the Four Seasons switch 35990, a lever selector blower switch for the front HVAC controls that routes power to the blower circuit for the position you select. It fits many vehicles, among them the 1988-1991 Chevrolet C1500, 1988-1991 Chevrolet K1500 and 1984-1985 Chevrolet Impala, and is a direct-fit replacement for the listed applications.
Four Seasons engineers and tests its products and brings more than 50 years of mobile A/C experience to this vehicle-specific switch. Its main features:
- 20-amp rating: rated to carry up to 20 amps.
- Quality contacts: designed to maintain proper conductivity through the switch.
- Zinc coating: zinc coated to resist corrosion.
- Vehicle-specific design: made for the listed applications.
A blower switch may need replacing if the blower runs on only some settings, does not run at all, or cuts in and out as you move the lever. A failed blower resistor, blower motor or wiring fault can cause the same symptoms, so diagnose the circuit before you replace the switch. If the original switch is the cause, this unit replaces it.
See the "Vehicles it fits" section for the full list of vehicles this switch fits.
Frequently Asked Questions
Is this the right Impala switch for the blower fan on a 1984-1985 Chevrolet Impala?
Yes, it is listed for the 1984-1985 Chevrolet Impala as a direct-fit front blower control switch. Check the "Vehicles it fits" section to confirm your vehicle.
Does it fit a 1988-1991 Chevrolet C1500 or 1988-1991 Chevrolet K1500 pickup?
It is listed for the 1988-1991 Chevrolet C1500 and the 1988-1991 Chevrolet K1500. The "Vehicles it fits" section shows every vehicle it fits.
What does a lever selector blower switch do?
It is the lever-operated switch in the front HVAC controls. It routes power to the blower circuit for the fan setting you select.
What is the electrical rating of Four Seasons 35990?
It is rated to carry up to 20 amps. It uses quality contacts for proper conductivity and is zinc coated to resist corrosion.
How do I know the blower switch is the problem?
Blower operation on only some settings, no blower, or cutting out as the lever moves can point to the switch, but a resistor, motor or wiring fault can do the same. Diagnose the circuit first.
