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Old 05-15-2018, 10:38 PM
VTtransam VTtransam is offline
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Is anyone running the C6 fan controller, E38 ECU, and a trunk mounted battery? I'm running OS 12628990 from a 2009 Vette, have set my fan to PWM Electric and adjusted the fan % with EFIlive (keeping max % at 89.9%).

As the car warms up, the fans will come on to a low setting for about 5 seconds and then turn off. The fan will not stay on as coolant temp rises, and I'll shut the car off around 225F as the fan are not operating properly.

Did you run the C6 fan controller power directly to the trunk mount battery and not to an underhood 12V distribution block? I have mine run off a 150amp circuit breaker /distribution block with a 60amp inline fuse between the controller and distribution block. The other side of the breaker is wired to the alternator.

Does anyone know if the PWM frequency can be adjusted with EFI live? I had a Delta Current Controls PWM controller with engine bay mounted battery and it worked well with the same dual Spal fans last year.

Thank you!

Last edited by VTtransam; 05-15-2018 at 10:49 PM.
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