Automotive Relay Wiring Schematics Symbols. Relays can look very similar from the outside so they normally have the circuit schematic voltage rating current rating and terminal numbers marked on the body to identify them. Although most relays are labeled at the bottom you can always find the 30 pin set.
Most of the time a small voltage or current is used to switch other voltages or higher currents that may be electromechanical or fully electronic type. If you want a closed relay you will want to wire to 87a. So how to read car wiring diagrams.
Output for a Relay.
Although most relays are labeled at the bottom you can always find the 30 pin set. Every circuit added to a modern car should be run through an automotive relay. Best Bosch Relay Wiring Diagram 5 Pole Electrical Outlet Symbol 2018. A car wiring diagram can look intimidating but once you understand a few basics youll see theyre actually very simple.