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Installation
Modulator High Powered Omni Speaker (Model MOD Series)
Federal Signal www.fedsig.com
Installing Lights on the Siren
Modulator models can be ordered with optional top lights and/or side lights. If not ordered
with the Modulator siren, they can be added later by purchasing the Top Light Kit (Federal
Signal part number 191XL-024R) or Side Light Kit (Federal Signal part number MOD-QF-
KIT). Modulator models purchased after September 2017 are preconfigured to support
Top Light and Side Light Kits.
NOTE: The standard light referenced is red, but other colors are available.
The following instructions refer to the configuration of the Modulators that have been
preconfigured.
Installing the Top Light Kit
The Top Light Kit is installed onto the strobe bracket that extends out of the top module.
To install the Top Light Kit:
1. Remove the strobe bracket cap.
2. Locate the two spare wires within the strobe bracket.
3. Connect the top light wiring to the two spare wires (red/white positive and red/black
negative) from the wire harness within the module.
Figure 8 Top Light
Table 14 Top Light Kit (Model 191XL-024R)
Item No. Qty. Description
Part Number
200
1
Light, HAZ, LOC, LED, Red
191XL-024R
