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Originally Posted by jlomon
Just to keep all the information on record here, I did open up the lid behind the engine-compartment fusebox to check the 15A fuse in the blue relay. The fuse was blown. The 30A green fuse was fine. I replaced the fuse and I shall see what happens. If that doesn't fix my problem I'll change the sensor that Arthur mentioned, and report back on that. The sensor is only a $50 (Canadian) part, but I'll go with the .50 fuse first.
Thanks again.
Jonathan
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The blue relay is the a/c aux fan relay and it is a 15A fuse . This relay is LOW fan, not high. Your green relay is the high fan and you did not have a blown fuse .. You started earlier that the fan did come on high, so that is indication that you did not have a bad fuse on high fan.
Your low fan fuse replacement may have you thinking that you solved the problem , but you have simply replaced an earlier blown fuse for the a/c low fan.
Blue relay has nothing to do with coolant temp sensed high fan. The only way it would is if someone had swapped the blu/grn relays . but then you woiuld have never had a high fan.
Watch the temps and see if the sensor is erratic..
http://www.peachparts.com/shopforum/showthread.php?t=125502&highlight=blue+relay