Why does my fuse box click when I try to start my car?
Clicking noise in your car’s fuse box is caused by a relay that is turning on and off rapidly. This can be caused by a computer failure, resistance in the ground wire for the control side of the relay or high resistance in the power supply to the control side of the relay.
Why is my fuse box making noise?
A loose connection, or even a minor loss of the integrity of your fuse box connections, can cause the electrical system to ‘arc’, which can lead to a buzzing or humming noise. The fuse box humming noise actually originates from the arc of electricity between the circuit breaker contacts and the bus bar within the box.
Why does my car make a clicking sound when I turn the key?
However, there are some occasions when a damaged starter relay will cause the starter to make a clicking sound when you turn the key. The starter relay is a very durable and reliable mechanical part, however it is possible for damage to occur requiring a mechanic to replace the starter relay.
Why is my Fuse Box making a clicking noise?
This can be caused by a computer failure, resistance in the ground wire for the control side of the relay or high resistance in the power supply to the control side of the relay. To find out the source of the problem, you’ll need to run some quick tests using a multimeter.
What to do when your fuse box wont turn on?
Turn on the ignition key, then touch the positive lead of the multimeter to the negative battery terminal. If the voltage varies, the problem lies in whatever is supposed to activate the relay — the computer or a switch, for example. Inspect, the wiring for terminal No. 86 and make any repairs as needed.
Why is a clicking sound coming from the starter relay?
Clicking sound coming from the starter 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.