I just wanted to let V65 Magna owners know I found a Duralast part equivilant to the thermal switch for the radiator fan. It is less than 20 bucks and comes on between 5 and 6 bars. The part number is SW504 at your local Auto Zone. This part fits the 83 model exactly and works in the 85 with a small plug adaptor you can fabricate out of the old switch and some crimp on female bullet connectors from Ace Hardware. Works good last a long time!