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A/C Relay

A/C System

Controls the flow of electricity to the A/C compressor and other components.

The relay ensures that the A/C compressor receives the correct amount of electrical power when the system is activated, enabling proper cooling function.

💵
Typical part cost
$10–$30🔒
🔧
Typical labor cost
$50–$150🔒
🛣️
Typically lasts
70,000–140,000 mi
📅
Or about
4.0–8.0 years
🛠️
DIY difficulty
4/10

⚠️ Owners Often Notice

If the A/C Relay is starting to fail, these are the signs owners most commonly report before it gets worse:

A/C not working
Blown fuses
Electrical issues
No cold air
System shutoff
Erratic cooling

Related Services

Services commonly performed on or around this part.

Replace A/C Relay

No standard interval on file

Inspect A/C Relay

No standard interval on file

Test A/C Relay

No standard interval on file