Hyundai 97232-3A000 Relay Assembly-Power

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In the vehicle there are several electrical accessories that employ the use of relays and they include the fuel injection system relays, horns relay, starter relays and fog lamps relays among others. Relays work based on-low current control circuit turns a high current power circuit on and off. The defective relay causes the concerned component not to work as it is supposed to. Majority of relays resides in the engine compartment fuse/relay box while others are in the specific under hood box at the fender. If a faulty relay is suspected, such a relay can be removed and tested usually through a procedure that is unique to that model or can be taken to the dealer service department or a repair shop while defective relays have to be replaced totally as a unit. The circuit which is connected by the relay is usually labeled on the top hence, other labels are normally labeled on the decal or the imprint available at the inner surface of the relay box cover. So, we can distinguish usual and inverse relays with the usage of both types, normally open and normally closed. Normally, two terminals are said are for the control circuit, connecting to the relay coil, the other two are for power circuit but join internally when the control circuit polarity is energized. In regards to terminal identification some relays may be labeled for the control and power circuits and if these are not marked then a wiring diagram can be used to establish the right connections. To test a relay, an ohmmeter should be connected across the power circuit terminals, in which there should be no continuity. When the particular four-terminal no-de relay is energized, continuity in the circuit must be obtainable while no continuity must be obtainable when it is not energized. A fused jumper wire should be connected from one control circuit terminal to the positive battery terminal then from another terminal to a ground; The relay should activate and be shown on the meter. If the relay does not click, then it may be required to change the jumper wires because polarity may be a factor. In case relay could not pass the test it should be replaced with a new one.