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5.0L (1979-1995) MustangTechnical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.
Instead of the thermal switch shown above, you could install a toggle switch and leave it in ON, or no switch at all......activating the relay with the ignition switch....
well my fan kicks in when ever it wants to so i just want it to turn on when i turn the ignition on how do i do this i really dont understand that pic of the relay why is a relay needed?