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why does my heater fan only work on high

Blower motor, resistor: how it works, symptoms, problems, testing
Blower motor, resistor: how it works, symptoms, problems, testing

Fans Can Make You Hotter in Some Conditions, Says New Study | Time
Fans Can Make You Hotter in Some Conditions, Says New Study | Time

DIY) AC or Heater Only Blowing on HIGH? Here's a fix | Tacoma World
DIY) AC or Heater Only Blowing on HIGH? Here's a fix | Tacoma World

Fan Works Only on FAN-ON Fan won't run if thermostat set to AUTO
Fan Works Only on FAN-ON Fan won't run if thermostat set to AUTO

Why Does My Heat Pump Run Constantly? | Expert HVAC Answers
Why Does My Heat Pump Run Constantly? | Expert HVAC Answers

Blower Motor Fan Only Works On High Speed? Plus - Tips To Prevent Repeat  Failures! - YouTube
Blower Motor Fan Only Works On High Speed? Plus - Tips To Prevent Repeat Failures! - YouTube

Blower Motor Fan Only Works On High Speed? Plus - Tips To Prevent Repeat  Failures! - YouTube
Blower Motor Fan Only Works On High Speed? Plus - Tips To Prevent Repeat Failures! - YouTube

What is a Blower Motor Resistor? And How Can You Tell if Yours is Bad?
What is a Blower Motor Resistor? And How Can You Tell if Yours is Bad?

DIY) AC or Heater Only Blowing on HIGH? Here's a fix | Tacoma World
DIY) AC or Heater Only Blowing on HIGH? Here's a fix | Tacoma World

Why Do I Have a Car Fan That Only Works on High? - Expert Tips - 1A Auto
Why Do I Have a Car Fan That Only Works on High? - Expert Tips - 1A Auto

Fan Works Only on FAN-ON Fan won't run if thermostat set to AUTO
Fan Works Only on FAN-ON Fan won't run if thermostat set to AUTO

Boost Your Furnace Output With This Simple Trick | Family Handyman
Boost Your Furnace Output With This Simple Trick | Family Handyman

SOLVED: Why does my air conditioner/heater fan only work on High? -  2001-2007 Dodge Caravan - iFixit
SOLVED: Why does my air conditioner/heater fan only work on High? - 2001-2007 Dodge Caravan - iFixit

SOLVED: Why does my air conditioner/heater fan only work on High? -  2001-2007 Dodge Caravan - iFixit
SOLVED: Why does my air conditioner/heater fan only work on High? - 2001-2007 Dodge Caravan - iFixit

Blower Motor Fan Only Works On High Speed? Plus - Tips To Prevent Repeat  Failures! - YouTube
Blower Motor Fan Only Works On High Speed? Plus - Tips To Prevent Repeat Failures! - YouTube

4 Reasons Why AC Compressor Not Working But Fan Is Running - All Time Air  Conditioning
4 Reasons Why AC Compressor Not Working But Fan Is Running - All Time Air Conditioning

How to Clean Your Furnace Fan (With Pictures) - Dengarden
How to Clean Your Furnace Fan (With Pictures) - Dengarden

Car fan / AC only works on high - Replacing the Blower Resistor - YouTube
Car fan / AC only works on high - Replacing the Blower Resistor - YouTube

Car Heater Repair Tips: Fixing a Blower Motor (DIY) | Family Handyman
Car Heater Repair Tips: Fixing a Blower Motor (DIY) | Family Handyman

Blower Motor Fan Only Works On High Speed? Plus - Tips To Prevent Repeat  Failures! - YouTube
Blower Motor Fan Only Works On High Speed? Plus - Tips To Prevent Repeat Failures! - YouTube

Car Heater Repair Tips: Fixing a Blower Motor (DIY) | Family Handyman
Car Heater Repair Tips: Fixing a Blower Motor (DIY) | Family Handyman