Details provided by Rob's wife: Horn wouldn't stop blowing and headlights wouldn't stop flashing, so Rob disconnected the battery. Earlier in the evening, the cooling fan wouldn't stop running after the car was turned off even though the outside temp is about 30 degrees F. Rob removed the fan relay, which stopped the fan, but Rob's wife wonders if removing the fan relay precipitated the horn blowing and lights flashing. How do we remove these gremlins?
Try your remote batteries i would remove them from both remotes then reattach the batt cable if this dosen't work could be a bad alarm controller fan relay has nothing to do with it you need a new radiator fan thermo switch located on the radiator
SOURCE: horn fuse keeps blowing out
Check the wiring around the horn and make sure nothing is touching metal...look under the hood at the horn and make sure everything is pluged in and there is no water on any plugs or wiring...Make sure the fuse is the correct number (ex: 10, 20, 25) If it is still blowing out the fuse then you after you do some checking then it is a short in some wires
SOURCE: Toyota Tacoma '03 horn sticks
If you are getting water in the fuse box, it could be shorting the system out and in turn the horn would blow. Some manufactures put 2 fuses for the horn too. One for the horn and one for the horn relay. That is another one, maybe the relay is bad or wet. Hope i put some light on your answer. Good luck!!
SOURCE: Would appreciate help for a Toyota Corolla 2007 non-working horn.
If the horn works with direct connection, and fuse, relay, and circuit breaker are all good, it's the switch in the steering wheel. If it is anything like the chrysler auto's, the switch and the air bag module is all one unit, can't replace just the switch, the whole thing, and it's about $700 to $800 for those units, at least it is here, and can only get them at a dealer.
SOURCE: 2001 Solara fans run all the time after radiator installation.
the thermostat should be located inside the fan shroud it will be a small silver rectangular box usually @1/2" x 2" with a wire coming off of it (most models NOTE:if check engine light is on it will probably be the temp sending unit located elsewhere) however I would try to find a relay with the same numbers on it as the third one you pulled and swap the two then see if the fans stop and you will know if the relay is bad
SOURCE: Sienna '99 won't start after fixing horn on steering wheel
computer error from airbag sensor
ge it scanned !
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