Reply to "Radiator looks like it might blow!"

quote:
With the Mirriah fans installed, you may experience engine "run on". If this happens, DO NOT use a diode in the fan's wiring....


....like Rocky did.

Smiler

The diodes are the devices connected with the wing nuts. They mount to the vehicle structure (for the ground connection). In my picture above, they have the red wires going to them.

Agree with most of what John said.

I have not had any issues caused by the diodes, although I can not argue that there is a .7V voltage drop across the diode. This reduces the performance of the fans by at least 5% (and maybe more).

I believe that I have not had issues because my cooling system is in good condition, and I am not operating at the margins. This certainly could be an issue if there is a weakness in the cooling system, especially at low engine RPMs (like being stuck in traffic on the way to the Fun Rally in Vegas).

Rocky
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