The new Spal fans are blowing the their 30 amp fuses when turning on. It looks like they need 40 amp fuses?
Looks like max draw is 38.9 amps according to the fan curve. So 40 should do it.
SPAL has a wiring harness kit for sale on their Amazon site that is shown with your fans. They have a 40 amp fuse.
Last edited by panterapatt
I put in 40 amp fuses and that fixed the problem with blown fuses. I took the car for a test drive and it seems to run cooler than my previous radiator. Only one of the fans turned on. It's the one that is operated by the thermostatic switch on the inlet side of the radiator. There was not enough heat on the outlet side to trigger that switch. I will test the car again with both fans connected to the inlet switch.
Last edited by jon3613
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