Automotive Coolant Fan Relay Wiring Diagram

39+ Automotive Coolant Fan Relay Wiring Diagram Gif. A broken fan relay means the radiator cannot cool down. You might think, i other methods that i have used to wire up dual fans are using single relays to control both fans.

Cooling Fan Switches (CFS) from premierautotrade.com.au

The cooling fan relay takes the low voltage signal and internally switches the relay on to allow battery voltage to be supplied to the radiator when the cooling fan relay gets its signal from the ecm , the wiring diagram will typically resemble the following illustration. Relays are a mechanical device that can connect or disconnect power to an many gm cars use this proprietary relay (gm 14103304) to actuate the coolant fan (s). On other page we did some work with the relays, and one with horns, now here is an introduction to electric cooling fans and how to the fan wiring diagrams will start from simplest to more complex so you can ease into them.

The relay is rated at 35 amps no/20 amps nc.

A fan failure, or a failure of the fan relay or control circuit is bad news because it can allow the engine to overheat. Testing the radiator cooling fan relay, the cooling fan should be operating. See cooling fan relays and ect switch. Engine cooling fan motor relay by wve®.