Relay Switch 4 Pin Relay Wiring Diagram Fan

Electric fan relay wiring diagram wiring diagram is a simplified tolerable pictorial representation of an electrical circuit it shows the components of the circuit as simplified shapes and the capability and signal contacts between the devices.

Relay switch 4 pin relay wiring diagram fan.

Best connections 12voltwire c. 12 volt wiring diagram best 12v relay pin 5 and roc grp org in. You can think of this as the switch in off. When current is applied to the coil 30 is then connected to pin 87.

If you want a normally open relay you will wire to 87. The first part of the installation is to install the electric fan to your radiator and remove the mechanical fan. This type of relay will work for this application also but you will not use pin 87a. This video covers both 4 and 5 pin 12vdc relays.

In this video i show you how to wire a 12 volt automotive bosch style relay. 12 volt relay wiring diagram collections of best relay wiring diagram 5 pin bosch endearing enchanting blurts. Suggested electric fan wiring diagrams page 1. Hvac fan relay wiring diagram download.

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You can wire relays to be either open or closed depending on how you need your accessory to operate. Best bosch relay wiring diagram 5 pole electrical outlet symbol 2018. If you want a normally closed relay you will want to wire to 87a.