kestraltom,

IIRC, didn't you already build your own PWM motor controller for a Volvo electric fan? What's different about this one other than with a new radiator?

How would one test the Volvo electronic fan in the fields? The wreckers would just connect a battery up to it which from from I found online, would do nothing. Can damage occur to the electronics if the wires are connected incorrectly, e.g. reverse polarity?

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85 300D turbo pristine w 157k when purchased 167,870 July 2025
83 300 D turbo 297K runs great. SOLD!
83 240D 4 spd manual- parted out then junked