Spotlight Wiring Diagram 4 Pin Relay

By | April 30, 2023

A 4-pin relay is a type of electrical switch that is controlled by an electrical current. It is used to turn on or off a circuit by energizing the coil of the relay. The relay has four terminals: two for the input power, one for the output power, and one for the coil.

When the input power is turned on, it energizes the coil of the relay. This causes the plunger inside the relay to move, which closes the contacts and connects the output power to the load. When the input power is turned off, the coil de-energizes and the plunger moves back, opening the contacts and disconnecting the output power from the load.

4-pin relays are commonly used in automotive applications to control the headlights, turn signals, and other electrical accessories. They are also used in industrial applications to control motors, pumps, and other machinery.

The following is a wiring diagram for a 4-pin relay:

In this diagram, the black wire is the ground wire, the red wire is the input power, the blue wire is the output power, and the green wire is the coil.

To wire a 4-pin relay, you will need to connect the following wires:

* The black wire to the ground terminal of the relay. * The red wire to the input power terminal of the relay. * The blue wire to the load that you want to control. * The green wire to the coil terminal of the relay.

Once you have connected the wires, you can turn on the input power to the relay. This will energize the coil and cause the plunger to move, closing the contacts and connecting the output power to the load.

When you turn off the input power to the relay, the coil will de-energize and the plunger will move back, opening the contacts and disconnecting the output power from the load.

4-pin relays are a versatile and easy-to-use way to control electrical circuits. They are available in a variety of sizes and ratings, so you can find a relay that is suitable for your application.

Here are some additional resources that you may find helpful:

* [4-pin relay datasheet](https://www.mouser.com/datasheet/2/360/G6R-1A-500-1332012.pdf) * [4-pin relay application note](https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srch&DocNm=253-0074&DocType=LTD&DocLang=English) * [4-pin relay tutorial](https://www.electronics-tutorials.com/relay/relay-4-pin.html)


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