Installation guide

Page 6
Removal of Existing Power Supply...
1. Remove endcap and lenses until you have access
to your lightbar’s power supply. Power supply is
located in the center section of your lightbar.
2. Locate and remove the two screws that hold the
power supply in position and remove the power
supply from the lightbar.
3. Locate the three harness plugs that connect to the
existing power supply. Before disconnecting these
plugs from the power supply, write down each of
the the wire colors that were connected to each
plug. This is important, as this will determine how
these plugs are connected to the new power
supply.
4. Remove power supply from lightbar.
Fig. 1
Installation of new Power Supply...
1. The new power supply is connected to the lightbar
without any adaptor cables. When connecting the
lightbar plugs to the new power supply, make sure
that the wire colors match exactly.
2. The new power supply may now be mounted in the
lightbar. Position the new power supply in its
mounting location. This may be a tight fit and could
require a small amount of effort to properly mount
the new power supply. NOTE: If harness wraps
are present on the old lightbar plug harnesses,
it may be necessary to carefully cut and
remove these wraps in order for the power
supply to fit into the extrusion.
3. Secure the power supply to the lightbar using the
old power supply’s mounting screws. NOTE:
Apply Loctite™ #242 to the threads of each
mounting screw.
4. Test the lightbar for proper operation. After a
successful test, the lightbar may be reassembled
in the reverse order in which it was disassembled.
5. If the lightbar does not function properly,
disconnect the lightbar from its power source, wait
10 minutes to avoid the risk of a high voltage shock
and confirm that the proper plugs are connected. If
the plugs connections are correct, contact your
Whelen representative for further assistance.
WARNING!!!
The strobe light power supply is a HIGH VOLTAGE
device. You must wait at least 10 minutes after turning
off the power to the system before starting any diag-
nostic or trouble shooting procedures that may bring
you into contact with any
internal components.
Section 4; Retro-Fit guidelines for the following:
Models: With Power Supply:
9104, 9206, 9308,
9000FM, 9206WB ZFO, 1ZFO or 2ZFO