How To Check Ac Compressor Relay

Now With The A/C Relay Removed You Are Going To Use An Automotive Test Light To Make Sure That There Is Power Going To The Relay.

One of the most obvious signs that the ac relay may have a problem is that the compressor is not coming on at all. If you are experiencing issues with your ac system and suspect that your ac relay has either failed or is beginning to fail, we recommend having it diagnosed by a professional. This means your ac unit won’t be able to function at all.

How To Check Ac Compressor Relay.

This will bypass the relay and engage the a/c compressor and confirm that the relay is defective. To bypass the relay, plug the a/c back in. Then see the relay and find out which one terminal is common, start and run.

Knowing When Your Ac Compressor Is Running Or Not Is Critical To Diagnosing The Ac System, But Also For Charging The.

If the wires are broke you can splice a new connector to the wires. The ac compressor will not have power and the ac system will not function. Before replacing it by a new start relay, do the test to discover if it really is the part which has a problem.

That’s Why Learning How To Fix A Stuck Relay On An Ac Unit Is Crucial.

Check the front side of the clutch to examine its condition. How to check ac compressor relay. To bypass the relay, plug the a/c back in.

Set All Air Conditioning Controls To The Max Before Kicking Off The Engine.

This will bypass the relay and engage the a/c compressor and confirm that the relay is defective. With the wiring plug still plugged in, touch the jumper wire to the hot side relay lug, from the controls as already identified and from the relay lug that feeds the a/c compressor. When the ac compressor relay has failed or is beginning to fail, it will begin to display symptoms that indicate it may be time for it to be replaced.