Lincoln Navigator: Horn / Horn - Component Location. Description and Operation
Horn
Overview
The horn output is controlled by the BCM . When the horn switch is
activated, the SCCM sends a signal to the BCM . The BCM then energizes
the horn relay located in the BJB and sounds the horn(s)...
Other information:
Removal
With the vehicle in NEUTRAL, position it on a hoist.
Refer to: Jacking and Lifting (100-02 Jacking and Lifting, Description and Operation).
Remove the air cleaner outlet pipe.
Refer to: Air Cleaner Outlet Pipe (303-12)
...
Removal
NOTICE:
Suspension fasteners are critical parts that affect the
performance of vital components and systems. Failure of these fasteners
may result in major service expense. Use the same or equivalent parts if
replacement is necessary...