How to Wire a Radiator Fan?

Answer Wiring a radiator fan is necessary only if the fan is an addition to or a replacement for the existing fan. All front-wheel drive vehicles use electric fans because the engine is transversely mount... Read More »

Top Q&A For: How to Wire a Radiator Fan

How to Hot-Wire a Radiator Fan?

Electric radiator fans have become common equipment on automotive engines. These fans increase the airflow through the radiator to help cool the engine. When troubleshooting your cooling system, yo... Read More »

How to Wire an Electric Radiator Fan?

Electric radiator fans provide extra cooling or replace an existing belt-driven fan. Many newer vehicles use electric fans. They provide a more efficient airflow at a constant velocity. Some fans h... Read More »

How to Connect a Radiator Fan to a Hot Wire?

A radiator fan requires an average of 15 amps to operate. The fan uses a relay in the fuse relay box under the hood. The relay has four terminals--one that is hot all the time, even with the key of... Read More »

How to Wire a Relay for a Radiator Fan?

When installing an auxiliary fan or simply wiring the factory fan so that the driver can manually turn the fan on and off, make sure the fan is turning in the right direction. If the fan is not tur... Read More »