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My 2000 Elantra is blowing the secondary fan fusible link, but not instantly. The fan will run for a while and then blows. That rules out a dead short. The fan is less than 3 months old and is a Dorman unit. Could the fan motor be drawing too much? I can power up the fan OK with my Power Probe. Any ideas besides sticking a higher amp fusible link, which I know is a bad idea......
 

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You could get hold of a meter and check the amps being drawn (set the meter to amps and connect in series with the fuse. Maybe it is just drawing too much current on start-up (no back-emf until the fan is spinning) but fine when running. If the running current is OK, just stick a bigger fuse in as the higher current draw will only be momentarily when the fan is starting to turn and won't damage the wiring but may be blowing the fuse occasionally.
 

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Aftermarket fan motor... likely slowly draw too much current as opposed to OE Hyundai motor..
 
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