HVAC Selector Switch Relays

Replacement Parts > HVAC > Relays

HVAC Selector Switch Relays

Important: To get started, click the blue "Filter Options" button to select your vehicle and then use the filters to narrow your options.

Important: To get started, select your vehicle on the left and then use the filters to narrow your options.

What is an HVAC Selector Switch Relay?

An HVAC Selector Switch Relay is an electrical component that is used to control the blower motor in an air conditioning and/or heating system. It is responsible for controlling the speed and direction of the blower motor.

What are the signs of a faulty HVAC Selector Switch Relay?

Signs of a faulty HVAC Selector Switch Relay may include:

  1. The blower motor runs constantly, even when the system is turned off.
  2. The blower motor does not run, even when the system is turned on.
  3. The blower motor runs at inconsistent speeds.
  4. The air conditioning and/or heating system does not function properly.


Can a faulty HVAC Selector Switch Relay cause damage?

Yes, if a faulty HVAC Selector Switch Relay is not replaced, it can cause further damage to the air conditioning and/or heating system.

How do you replace an HVAC Selector Switch Relay?

Replacing an HVAC Selector Switch Relay is a relatively simple task. Here are the steps to follow:

  1. Disconnect the power to the air conditioning and/or heating system.
  2. Remove the existing HVAC Selector Switch Relay.
  3. Install the new HVAC Selector Switch Relay.
  4. Reconnect the power to the air conditioning and/or heating system.