What is work of relay?

how the apfc relay work

How Negative phase sequence relay work

If the relay is bad, then the fuel pump will not work.

Yes, it is a fuel pump relay.

It is nothing but restricted earth fault relay

The three relays starting from the left are fuel pump relay, horn relay and fog lamp relay (if equipped).

If the relay has malfunctioned, yes.

How work cooling & relay & condancer work

Replace the Flasher Relay.

instantaneous relay is same as the over current relay, but the current is go high beyond the limit suddenly the relay act in micro seconds and disconnect the supply.

The way i understand it is that the relay has the hot and the ground connected and when you press the brake the relay works like a toggle and completes the circuit.

they change the curreent etc

Frame Relay is a packet-switching technology. It works by sending information in packets, which are called frames, through a shared frame-relay network.

from what ive read you can switch the starter relay with the horn relay and give it a try.... if she starts and the horn dont work you have a bad relay

As per my openion standby earth fault relay work on zero impedance measurement, when earth fault occures than zero