
15
Installation, Maintenance, and Service Manual
Federal Signal
www.fedsig.com
Programming the Discrete-Wire SIF ILS
To wire the light bar in the vehicle:
1.
Ensure that the lines are adequately fused. From the light bar, route the CAT5 control
cable into the vehicle cab or trunk near the planned location of a control head that is
compatible with the light bar or Serial Interface Module.
2.
Connect the 16 AWG black lead to the battery ground (–NEG) terminal.
3.
Connect the 16 AWG red lead through the supplied 15 A fuse at the source to the
positive (+BAT) terminal.