Installing A Manual Fan Switch For Electric Radiator Fans Youtub Step 1 wiring. the first step in adding a switch to a radiator fan is to disconnect the battery's negative terminal. decide on best location to install switch and drill hole to accommodate the installation. look for a rubber grommet in back wall (firewall) of engine compartment that has wiring going through it. A radiator fan switch can be a great tool when you're running your car hard either on the street or the track. any car with an electric radiator fan can be s.
How To Install A Manual Radiator Fan Switch For Optimal Cooling Not being an electrical engineer, i need ultra basic and detailed instructions, i.e. "cut the green wire coming from the existing thermo switch " etc. as a side note, i have a bits4brits relay kit with the extra relay attached which i was hoping to incorporate in the manual switch circuit for the fans. 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. Here's mine. the boot just has wire inside so it flexes easily and doesn't put any pressure against the radiator. i had the switch laying around from another project but pretty sure it was <$5 online. just had to drill a hole in the shroud and connect a few wires. took longer to install the fan than it did the wiring. edited march 23, 2013 by. This is a short video on how to locate, remove and test the radiator cooling fan switch on your vehicle. the cooling fan switch simply activates the cooling.
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