ground switched device using a simple spst relay. adjustable fan switch/thermostat with built-in relay and radiator probe (12v switching, non-variable speed only) 86 30 87 85 5 amp fuse signal circuit 12v switched (ignition or fuse panel) power "on" when key is in the "run" position. + + this will be your new ground switched output.. Wiring A Single Cooling Fan.. The orange wire on the relay should see a 12 volt signal when the ignition switch is turned on. The other two wires on the relay are the meat and potatoes of the system, with the yellow wire connecting to the battery along with the supplied fuse mounted within 12 inches of the battery.. As you can see from.
This video shows how to easily wire an electric radiator fan circuit into any car. This fan wiring diagram includes a fan relay, a temperature switch, and a.. Before attempting to wire an electric radiator fan, it is crucial to take the time to thoroughly understand the wiring diagram. The wiring diagram serves as a visual representation of how the various components and wires connect together. Start by identifying the key components in the wiring diagram, such as the fan relay, fan switch, and fuse.