Four Seasons HVAC Blower Motor Resistor 20307
Four Seasons HVAC Blower Motor Resistor 20307 - view 2
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Four Seasons HVAC Blower Motor Resistor 20307
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Four Seasons HVAC Blower Motor Resistor P/N:20307

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$14.99
MPN: 20307
Item Package Quantity: 1
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Four Seasons HVAC Blower Motor Resistor P/N:20307
Four Seasons HVAC Blower Motor Resistor P/N:20307
$14.99

Chasing a Matrix switch to get every fan speed working again? This Four Seasons HVAC Blower Motor Resistor (P/N 20307) is the component behind those blower-speed settings, and it installs as a direct-fit replacement for the 2003-2008 Toyota Matrix and 2003-2008 Toyota Corolla.

The blower motor resistor regulates the current fed to the HVAC blower motor, producing the different fan speeds you select on the climate controls. When it fails, the fan may drop out on one or more of its lower settings or run only on high; if a faulty resistor is the cause, this replaces it. Diagnose the circuit first, since the same symptom can also come from the blower motor, switch, or wiring.

  • Quality contacts: help ensure proper conductivity.
  • OE-style connectors: plug in like the factory unit.
  • Vehicle-specific application: built for the listed Toyota models.
  • Four Seasons: backed by over 50 years of mobile A/C experience.

Interchange: 11120307 · 1713108 · A07844 · MT17846 · 8713802030 · 8713802080 · SW11453 · SW11453C · JA1396

This part cross-references / interchanges with the following part numbers:

20307, 11120307, 1713108, A07844, MT17846, 8713802030, 8713802080, SW11453, SW11453C, JA1396

Frequently Asked Questions

What does the Four Seasons 20307 do?

It's the HVAC blower motor resistor that regulates current to the blower motor, setting the different fan speeds you choose on the climate controls.

Is this the brake light switch or headlight switch for a Toyota Corolla?

No. This is the HVAC blower motor resistor that controls heater and A/C fan speeds, not a brake light switch or headlight switch.

Which vehicles does it fit?

It fits the 2003-2008 Toyota Corolla and 2003-2008 Toyota Matrix. Check the Buyer's Guide tab to confirm your exact vehicle.

What are the signs this resistor may need replacing?

The blower often works on only one speed (commonly high) or stops responding on one or more lower speeds. Diagnose the circuit to confirm the resistor is the cause.

Does it use factory-style connectors?

Yes. It has OE-style connectors and quality contacts for proper conductivity.

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