Thanks! They sure didn't make it easy to find anything under that hood. Gotta feel sorry for the mechanics that have to work on them. Hope they have small hands!Thanks! They sure didn't make it easy to find anything under that hood. Gotta feel sorry for the mechanics that have to work on them. Hope they have small hands!
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The Battery Junction Box (BJB) supplies the switched and control voltage to the horn relay (part of the Body Control Module (BCM)). When the driver air bag module is pressed, the horn switch (which is integrated into the driver air bag module) is closed and ground is supplied to the BCM which is routed through the clockspring. The horn relay then energizes, sending voltage to the horn, enabling the horn to sound.
Google search 2011 ford fiesta owners manual and download it for free from ford on your phone/computer then go to the radio section it's in there, and also you need to have this for the fuse box & power distribution box diagrams for fuse replacement in case of emergencies
Front crash sensors are behind the front bumper cover, side sensors (if equipped) are at the lower side of the "B" pillars. I have yet to see one "go bad" without an impact (single use sensors and must be replaced after an accident)..
How do you know it's the horn ? Do you have a volt meter ? Check for voltage at the horns . Before replacing parts , test . Go to youtube an watch a few basic electrical trouble shooting videos . Your vehicle has two horns an the possibility of both going out is 0 . When you press the horn switch it is a signal to the BCM - body control module , then the BCM turns on the horns . Do you have an airbag light lit on the instrument cluster ? The clock spring in the steering column could be open .What fuse did you check . F32 in the battery junction box - fuse box under the hood in engine compartment . How cars clock spring works
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