Simple 4 Pin Automotive Relay Diagram
Wiring diagram explanation.
4 pin automotive relay diagram. Here is a video on how you can test a relay with or without a diagram. The wiring diagram is given below to help you wire it properly. Wiring diagram for a 4 pin relay another picture.
Looking at the diagram we see the pinout of a typical 12v relay. 12 volt 4 pin relay wiring diagrams wiring diagram database blog 4 wire relay diagram wiring diagram page 4 wire relay wiring diagram blog wiring diagram. 2 supply ground to.
I know all about this stuff. This video covers both 4 and 5 pin 12vdc relays best connections 12voltwire co. 87 and 87a are the two contacts to which 30 will connect.
Identify the relay as an iso mini type. Iso defines mini relays with the control circuit connected to pin 86 and pin 85 and the load circuit connected to pin 30 and pin. I cover 34 and 5 pin relays and all you need is a 12v source a multimeter and a test light.
The relay will have 4 pins. Free download with regard to 12v 30 amp relay. Relay wiring regarding relay 4 pin wiring diagram image size 609 x 457 px and to view image details please click the image.
Just an idea on how to wire each relay up. Here is a video on how you can test a relay with or without a diagram. These layouts are shown on the two 5 pin relays below pin 87a not present on 4 pin relays.