How to Wire a Hella 12V Relay?

Answer Hella manufactures 12-volt relays designed for automotive applications. Relays use two voltage sources; a control voltage and load voltage. A user-operated switch turns the control voltage on and o... Read More »

Top Q&A For: How to Wire a Hella 12V Relay

How to Wire a 12V Relay?

Most 12 volt relays operate accessories in a motor vehicle. Applying a small amount, as low as .2 amps of current to the relay coil closes contacts to feed power to an accessory that requires more ... Read More »

How to Wire a Car Relay?

Adding aftermarket improvements to sound systems, headlights and other electrical accessories can seriously overload the wiring in a modern car. In the effort to improve fuel mileage automakers red... Read More »

How to Wire in a Headlight Relay?

Automotive headlight relays plug directly into a relay socket that comes with wires already attached. If necessary, you can splice and extend the wires to reach the correct connection points. But y... Read More »

How to Wire a Power Relay?

It can be dangerous to try to directly actuate high-power electrical devices. However, many high-power circuits can be controlled by a low-power switch if the switch circuit is connected to a power... Read More »