Rick's Free Auto Repair Advice

Posts Tagged: ISO relay

Automotive relay wiring diagram

Automotive relay wiring diagram and operation Auto manufacturers try to use standard relays. They’re referred to as ISO (International Standards Organization) relays. To test these relays you need to understand what the numbers mean. Here’s a quick view of several relays and their relay wiring diagram Here are the layout for the relay and the relay socket along with illustrations of what happens when the relay is energized. A relay consists of an electro-magnet and a switch. When the electro-magnet is energized, the magnetic field pulls the arm of the … Read More


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