Wiring the Integrity Light Bar in the Vehicle
21
Installation, Maintenance, and Service Manual
Federal Signal
www.fedsig.com
Figure 3 Power and cable connections
Serial
Interface
Module
(+BAT) Power Line (Red)
(NEG-) Ground Power Line (Black)
J1 Connector
Black / White Wire
CAT5 Com.
Cable (Gray)
White Wire
24-Pin Harness
290A7447
+
–
12 Vdc
Vehicle
Battery
Fuse (1 A)
Fuse
40 A Max
Ignition
Passenger
Side
Driver
Side
Installing the Serial Interface Module
UNIT REQUIRES VENTILATION: The Serial Interface Module needs to radiate heat.
Do not install it in an area where it cannot dissipate heat into the air. Do not mount
it near a heater duct.
UNIT REQUIRES SHELTER FROM WEATHER: The Serial Interface Module is NOT
waterproof. It must be mounted in a location that is sheltered from rain, snow,
standing water, etc.
IMPORTANT:
The Serial Interface Module must be installed within 36 inches (91 cm) of the
light bar controller.
To mount and wire the Serial Interface Module:
1.
Use the Serial Interface Module as a template to scribe four drill position marks at the
selected mounting location. Mounting centers are 2 by 5.95 inches (5.08 by 15.11 cm).