What is a starter interlock relay?

What is a starter interlock relay?

Automatic transmissions are usually equipped with a starter interlock system. This serves the purpose that a vehicle can only be started when a selector lever, actuatable by the driver, is in neutral or parking position. The signals are then passed to the electronic transmission control system.

What does an interlock relay do?

An interlock device is designed to allow a generator to provide backup power in such a way that it (a) prevents main and generator power to be connected at the same time, and (b) allows circuit breakers to operate normally without interference in the event of an overload condition.

Is the starter relay part of the ignition system?

One of the most important – and most forgotten – components of any vehicle’s ignition system is the starter relay. This electrical part is designed to redirect power from the battery to the starter solenoid, which then activates the starter to spin over the engine.

What did the 1974 starter interlock system do?

The original ’74 system disabled the start circuit if the driver seatbelt wasn’t attached- i.e. you couldn’t start the car. Yours sounds like the newer/later version which is pretty what all seatbelts have been since- a light and a warning buzzer.

Why is my starter relay not working properly?

Intermittent issues starting the vehicle If the starter relay is working properly, it will send power to the starter every time it is engaged. However, it is possible that the starter relay will become damaged due to excessive heat, dirt, and debris or other issues that might cause sporadic operation of the starter.

When do you know something is wrong with the ignition relay?

If nothing happens on your dashboard when you turn the key in the ignition lock, and you are sure that the car battery is charged – there is a big risk that something is wrong with the ignition relay. These issues need to be solved as soon as possible. Otherwise, you will be forced to travel without your car.