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 Side Airbag
NOTE: Driver seat shown, passenger seat similar.   Item Part Number Description 1 5464416 Seat backrest trim cover 2 5464810 Seat backrest foam 3 54611D10 Side air bag module 4 W520201 Side air bag module nut ...