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Reply to "Meriah Fans with Fluidyne Radiator"

Say Mark, the rad installation is looking good.

Here's the situation. With the oem wiring, when you turn the ignition switch to off, the fans & ignition are disconnected from the battery, but they remain connected to one another. The fan motors act as generators & generate enough current to keep the engine running.

If you install fan relays as detailed in the drawing below, this situation will not exist & the diodes shall not be needed.

cowboy from hell

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  • Pantera_fan_wiring_revision
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