1998-2002 Ford Crown Victoria SA314 Siren Speaker Installation Guide

If you have a Crown Victoria built after the year 2001, you will find that the vehicle horn is installed in the mounting location described below. In order to install this siren, you must first remove the vehicle horn and install it where it is found on the 1998 to 2000 model Crown Victoria. (See: Moving the Vehicle Horn)

2006+ Chevrolet Impala 100H Speaker Bracket Installation Instructions

Signaling Limitations: Sirens/speakers provide an essential function of an effective audio-visual warning system. However, sirens are only short range secondary devices. The use of a siren/speaker system does not insure that all drivers can or will abide by or react to an emergency warning signal, especially at high rates of speeds or long distances. The operator of the vehicle must never take the right of way for granted and it is the operator’s responsibility to proceed safely.

UnderPro Siren Speaker Bracket for 2006 Chevrolet Express Installation Guide

This bracket mounts into existing holes in the front fender that match up to the brackets mounting holes. The bracket can be ordered for either the right or left side of the vehicle. Passenger side mounting is shown.