Ford Focus Service Manual: Horn

Body Electrical

...

Horn - Description and Operation

NOTE: The Smart Junction Box (SJB) is also known as the Generic Electronic Module (GEM) . The horn system consists of the following components: Horn switch Horn relay (part of the SJB ) ...

More about Ford Focus:

Ford Focus Brake Disc Machining
NOTE: Do not use a bench lathe to machine the brake discs. Use an on-vehicle brake lathe only. Read the entire operating manual and/or view the video shipped with the lathe before installing, operating or repairing the lathe. NOTE: An on-vehicle brake lathe with an automatic runout adjustment ...