radiator fan problem
Changed radiator for brother. Testing system, noticed the rediator fan would not come on. (About 40 degrees here) Ran motor at idle for about thirty minutes and still nothing. Checked for voltage at fan = 0. Jumped from battery to fan and it works. Fuse/relay inside box under hood seems good. swapped with another fuse/relay of same type from fog lights. 300K miles on engine. Any suggestions
Unknown if radiator fan worked prior to changing out radiator.
Check manual to see what the cut on temp for fan is. May not come on until weather is warmer and it is needed to cool radiator. Stress test at high speed up hill may get engine warm enough for fan to cut in. Take care not to overheat if fan still does not work.
Thanks Ritz, that's what I did. Took it for a ten mile spin on the interstate. Returned home and was running. Doint a little search learned the temp of water must be between 195 and 200 degrees for it to come on. Sounds a little high, but it works, thanks.
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