This pinout image is only a 2 pole diagram for room on the page purposes but you can get the picture here with this one since a 3 pole will just have 1 more set of contacts. The relay function can be better understood by explaining the following diagram given below.

4 Pin Relay Diagram 4 Pin Relay Wiring 4 Pin Relay Animation 4 Pin Relay Connection
Basic relay wiring diagram. Assortment of 12 volt relay wiring diagram. 30 85 87a 87 86 relay logic pink red black orange relay trigger 12v wire to a fused ignition source relay trigger ground wire to a good chassis ground to component basic relay wiring brake switch relay wiring pink red black. Ajm crews 32812 views. A typical basic circuit consists of five important parts. Basic relay diagram iow what goes where. A wiring diagram is a simplified traditional pictorial depiction of an electrical circuit.
Power supply positive from battery fuse. Obviously therell be more complex looking circuits which will have relays and control units but remember they all operate under the same idea. Relay 5 pin wiring diagram duration. Basic wiring circuit diagram. The following schematic shows the basic circuit. How to wire a trailer i will show you basic concepts and color codes for a 4 wire 6 wire and 7 wire connector used for wiring trailers.
The square relay pinout shows how the relay socket is configured for wiring. The diode prevents relay from arcing by giving a return path for the energy stored in the magnetic. Basic automotive relay operation and simple wiring duration. As shown the power source is given to the electromagnet through a control switch and through contacts to the load. An iron core is surrounded by a control coil. Connect the relay with hc11 port pins this is used to control on switches.
It reveals the components of the circuit as simplified shapes and also the power and signal connections in between the tools. The diagram shows an inner section diagram of a relay. How to wire a relay. Basic automotive relay operation and simple wiring duration. Daniel sullivan 811652 views. Universal relay kit 500479 92965263 instruction sheet rev 60 9192013 this relay kit is designed for muli purpose use.
Diy relay easy step by step electrical. Bosch type relay wiring diagrams. A connection diagram showing what devices go to color coded ports. Computer connection diagram computer connection diagram how to hook up a computer. Basic schematic circuit diagram of relay. The transistor allows the hc11 to control the medium sized coil current of relay.