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Maintaining the SIFM 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
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
Maintaining the SIFM ILS
PERIODICALLY CHECK THE GLASS: The effectiveness of the ILS light bar
depends on the clarity of the glass it is being placed behind. Dirt and defects in
the glass reduces the light output. The reliability of light for emergency signaling
purposes may be reduced if the glass is dirty, cracked, or not clear. Be sure to
periodically check the glass for cleanliness to ensure maximum light output of the
light bar.
Establishing a regular maintenance schedule for the ILS light bar extends its life and
ensures safety. Periodically check that the light bar operates properly and that all
mounting hardware is securely fastened to the vehicle. Also, inspect the reflectors for
cracks, crazing (hairline cracks), discoloration, and other defects.
Cleaning the Shrouds
To clean the shrouds:
1. Remove the light bar from the vehicle according to the vehicle-specific installation
2. Use a soft tissue to clean the shroud. If needed, you can use a solution of mild soap
3. When finished, make sure the light bar is completely dry before reinstalling it
Cleaning the Reflectors
CRAZING HAZARD: Crazed, cracked, or faded domes or reflectors reduce the light
output and the effectiveness of the lighting system. Tops or reflectors showing
this type of aging must be replaced. Failure to follow this warning may result in
bodily injury or death to you or others.
CLEANING SOLUTION WARNING: The use of cleaning solutions, such as strong
detergents, solvents, and petroleum products, can cause crazing (cracking) of the
domes and reflectors. Failure to follow this warning can damage the domes and
reflectors and may result in bodily injury or death to you or others.
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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.
positive (+BAT) terminal.
instructions included with the ILS light bar.
and water, but take care not to get water on the PCBs.
according the vehicle-specific installation instructions.
SIFMH, SIFMR (Discrete) and SIFMJH,SIFMJR FSJoin ™ (Serial) Rear ILS Light Bar
Federal Signal www.fedsig.com
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