How do you replace a cooling fan relay?

How do you replace a cooling fan relay?

Method 1 of 2: Removing the cooling fan relay in the underhood fuse/relay box

1. Materials Needed.
2. Step 1: Locate underhood fuse/relay box.
3. Step 2: Remove the fuse/relay box cover.
4. Step 3: Identify the cooling fan relay.
5. Step 4: Be sure power is off.
6. Step 5: Replacing cooling fan relay.

What happens when AC relay goes bad?

When a relay is starting to fail, it may give weakened or intermittent power to the compressor, which will result in weakened or intermittent function of the AC. The AC may function fine in one instance, and then shut off, or deliver inconsistent performance in another.

How do air conditioner relays work?

An air conditioner uses relays to switch the system’s high-voltage parts on and off. Once the relay’s contact points close, high voltage passes through the relay and continue on the electrical part the relay operates. Replacement relays must match the original’s function, voltage and amperage.

How does a AC relay work?

A relay is an electromagnet with an internal spring-loaded lever to switch electrical contacts. To energize the relay, alternating current (AC) or direct current (DC) is passed through the coil of the electromagnet, magnetizing the core to attract the lever.

What are the three types of relays?

The three main types of relays are electromechanical, solid-state, and reed.

Where is relay used?

Relays are used wherever it is necessary to control a high power or high voltage circuit with a low power circuit, especially when galvanic isolation is desirable.

What is Relay and its working principle?

Working Principle of Relay It works on the principle of an electromagnetic attraction. When the circuit of the relay senses the fault current, it energises the electromagnetic field which produces the temporary magnetic field. This magnetic field moves the relay armature for opening or closing the connections.