Top Notch Radiator Fan Switch Wiring Diagram

A way to get around this situation is to wire in an on and off switch.

Radiator fan switch wiring diagram. Any car with an electric radiator fan can be s. A 30 amp fuse is included but in single fan applications use the lowest fuse per the current draw of the. A northern radiator fan relay kit can be installed for any single or dual fan application up to 40 amp max combined to protect the vehicle wiring and electronics.

Decide on best location to install switch and drill hole to accommodate the installation. Connect to power supply within 12 of the battery. Mechanical fans only cool as much as they can based on the engine speed but electric fans draw the.

My old radiator fan switch only had two wires spliced into the two black purple wires going back ultimately to the fan motor. Or if not which wires i should be splicing into the black purple ones. Suggested electric fan wiring diagrams converting a 12 volt switch into a ground switch these diagrams show the use of relays on off sensors on off switches and on off fan controllers.

A larger radiator a larger clutch fan and a shroud would probably keep your engine cool. 85 black wire. The first step in adding a switch to a radiator fan is to disconnect the battery s negative terminal.

A radiator fan switch can be a great tool when you re running your car hard either on the street or the track. However my replacement switch has three wires. Nothing here should be confused with the latest generation of pwm variable speed controllers which have much higher technology such as a soft start feature and smooth ramping but not necessarily better.

This switch works by eliminating the ground connection when it is switched off and reconnecting the ground when it is on. For some however electric cooling fans are not only keeping the engine cooler in traffic but they keep the engine cool at stop lights too. 87 red wire connects to the positive wire on the electric fan.