High speed cooling fan relay 50 amp maxi fuse keeps blowing

Asked by Nov 02, 2014 at 12:20 PM about the 1999 Mercury Grand Marquis 4 Dr LS Sedan

Question type: Maintenance & Repair

The fuse will last about a month then I'll
notice my engine will start running hot and
I'll check the fuse and it will be blown my
radiator fan runs fine it turns freely with the
car off

1 Answer

11,740

check all associated wiring for a short, worn spots, rubbing thru on metal, that kind of thing.

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