What is an Automatic Choke Heater Control Relay?

An Automatic Choke Heater Control Relay is an electrical component designed to regulate the power flow to the choke heater on a carbureted engine. It is typically used in classic cars or other vehicles with carburetion systems.

What is the purpose of an Automatic Choke Heater Control Relay?

The Automatic Choke Heater Control Relay is used to provide power to the choke heater, which helps to keep the air-fuel mixture at the correct level during cold starts. It also helps with fuel economy, as it keeps the choke open for a longer period of time.

How do I determine if my Automatic Choke Heater Control Relay is faulty?

If your Automatic Choke Heater Control Relay is faulty, you may notice that your vehicle is having difficulty starting in cold weather or that the choke is not holding open as long as it should. Other signs that your relay may be faulty include a rough idle or poor fuel economy.

Can a faulty Automatic Choke Heater Control Relay cause damage to my vehicle?

Yes, a faulty Automatic Choke Heater Control Relay can cause damage to your vehicle. If the relay is not providing the correct power to the choke heater, this can cause the air-fuel mixture to be too rich, which can lead to engine damage.

How do I replace an Automatic Choke Heater Control Relay?

Replacing an Automatic Choke Heater Control Relay is a relatively simple task:

1. Locate the relay in your vehicle. It is usually located near the carburetor.
2. Disconnect the battery to avoid any electrical shock.
3. Remove the screws or bolts that are holding the relay in place.
4. Disconnect the wires from the relay.
5. Install the new relay, making sure to connect the wires properly.
6. Reattach the screws or bolts to hold the relay in place.
7. Reconnect the battery.