15
Installation and Maintenance Manual
Federal Signal
www.fedsig.com
Reprogramming the Light Bar
Color 1, 2, 1 & 2 (21-inch light bar)
You can select a pattern for all color modes from the light bar's library of 27 patterns.
Making the Electrical Connections for Reprogramming
To supply power to the light bar, use a fully-charged 12-volt automotive battery. For
Serial bars, follow the instructions supplied with external controller. For SSP, use
25500151; Serial Interface, use 2562248; six-button, 2562360 and 2562669; three-
button, 2562497.
For Discrete, follow these steps:
1. Place the light bar on a sturdy, flat surface.
2. Attach the Black wire to the negative battery (–GND) terminal.
3. Attach the Red and/or Yellow power line through a fuse rated on Table 5 to the
positive battery (+BAT) terminal. If a switch is desired, attach the switch between
the fuse and the battery.
Table 5 Wire functions and fuse requirements
45-inch and longer Allegiant
21-inch Allegiant
Wire Color
Fuse Function
Wire Color Fuse Function
Red
20 A
Front Mode 1
Red
10 A Color 1
Yellow
20 A
Rear Mode 1
Brown
10 A Color 2
Blue
12 A
Worklight/Bed Light
Blue
5 A
Bed Light
Orange
12 A
Scene Front
Violet
5 A
Worklight
Gray
5 A
Right Alley
Orange
5 A
Takedown
Green
5 A
Left Alley
Green
N/A
Dimming/Pattern Series
Brown
N/A
Mode 2 Override
Black
N/A
Ground
Brown/White N/A
Dimming
Black
N/A
Ground
Reprogramming the Discrete Light Bar—45 inches or Larger
The discrete light bar can change the flash pattern for Modes 1 and 2. To change the
flash pattern:
1. Attach the Black wire to the negative battery (-GND) terminal.
2. Apply +BAT to the Red and/or Yellow wire to turn on the light bar. If Mode 2 is
being changed, apply +BAT to the Brown wire as well.
3. Quickly tap the Brown/White wire to +BAT three times.
4. Tap the Brown/White wire once to change to the next pattern. The pattern will be
dimmed while the Brown/White wire is held to +BAT.
5. Repeat step 4 until the desired pattern is selected.
6. Turn the light bar off. Wait at least 5 seconds and turn the light bar on. Verify that
the pattern has been saved.
