Anti-Theft Relays

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

What is an anti-theft relay?

An anti-theft relay is an electrical component that is used in motor vehicles to prevent unauthorized use. It is typically connected to the vehicle's ignition system and requires a specific code or key to be entered before the vehicle can be started.

What is the purpose of an anti-theft relay?

The purpose of an anti-theft relay is to prevent the vehicle from being stolen or operated without authorization. This helps to protect the vehicle and its contents from theft or damage.

How do I determine if my anti-theft relay is faulty?

A faulty anti-theft relay can be identified by the following signs:

  1. The vehicle will not start even when the correct code or key is entered.
  2. The vehicle will start but will not stay running.
  3. There is a clicking sound coming from the relay when the key is turned.


Can a faulty anti-theft relay cause damage to my vehicle?

Yes, a faulty anti-theft relay can cause damage to your vehicle if left unchecked. This damage can include electrical shorts, blown fuses, and even engine damage.

How do I replace an anti-theft relay?

Replacing an anti-theft relay is a relatively simple process. Here are the steps:

  1. Disconnect the negative battery cable.
  2. Locate the anti-theft relay.
  3. Unplug the electrical connectors from the relay.
  4. Install the new relay.
  5. Reconnect the electrical connectors.
  6. Reconnect the negative battery cable.


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