Why is there clicking coming from my fuse box?
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.
Do relays click when they go bad?
If your starter relay has gone bad, the electrical signal will never make it from the battery to the starter motor. A faulty relay often produces an audible clicking sound when you turn your car.
Where is the fuse on a Toyota Sienna?
The positive connection leaves the battery and goes to a small terminal block. I once had this come loose and the van died on the road. Two rotations of a wrench, and we were back in business. BTW, the main fuse is a 140A buss bar and several smaller bars, and is in a clear plastic section in the middle of the underhood fuse box.
Why does my Toyota Sienna have no power?
You’ve got a main connection problem. Check that the negative connection from the battery is properly attached to the car body, with no corrosion. The positive connection leaves the battery and goes to a small terminal block. I once had this come loose and the van died on the road.
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.
What are the terminals on a fuse box?
Look at the terminal labels on the relay. They are identified as 30, 85, 86, 87 and 87a, if it is a five-terminal relay. Terminal 30 receives constant battery voltage. Terminal 85 is the relay’s connection to ground, 87 and 87a are the output terminals for whatever the relay controls and 86 is the power to the control side of the relay.