Horn - Ford 2006 Transit Body and Equipment Mounting Section Manual

4.7 Horn

A dual horn may be fitted to the vehicle in place
of the single horn.
Any other aftermarket horn (for example an air
horn) will need to be driven by a separate relay
energised by the horn circuit.
FordTransit 2006.5 (April 2006 )
108
Date of Publication: 12/2006