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wire is used, be sure that there are no loose strands outside the connector plug that could touch the
adjacent lead and cause a short circuit. Replace cover on light, lens should snap onto board assembly.
2. Attach the light to the adapter plate, using two of the 8-32 screws and nuts supplied.
3. Attach the adapter plate to the 4-inch electrical box with two 8-32 screws.
C. Installation on 4-Inch Horns.
• Refer to "Warning Message to Installers" packed with this unit. Also, refer to Introduction and Basic
Installation instructions in this instruction sheet before installing device.
• Use only 14 to 18 AWG wire for power connection. Strip no more than 0.25-inch of wire insulation from the
ends of the power leads.
1. Turn off power to the horn and detach the horn from it's mounting location by removing the slotted
screws. Disconnect all electrical connections to the horn.
2. See figure 3A. Using a small blunt tool, such as a pin punch, knock out the slot in the horn housing from
the rear. Figure 3A shows the mechanism removed from the horn, for clarity. DO NOT remove the
mechanism before knocking out the slot.
3. Insert the supplied nylon bushing into the slot from the front of the horn, as indicated in figure 3B.
In order to properly seat the bushing, excess burrs must be removed from the slot area.
4. Remove the two phillips head screws from the corners of the horn. Retain the screws.
5. Route power leads through the horn and through the nylon bushing. Snap the front cover of the light off.
Route power leads through board assembly as shown in figure 2. Connect the power leads to the
terminals of the two position connector by inserting the stripped ends of the wire into the connector as
far as they can travel, polarity MUST be observed on DC units. Make sure supply lead insulation is
flush with connector. If stranded wire is used, be sure that there are no loose strands outside the
connector plug that could touch the adjacent lead and cause a short circuit. Replace cover on light, lens
should snap onto board assembly.
6. If the horn is to be flush mounted, attach the accessory plate at this time. Position the light so that the
wires are directly over the nylon bushing and the wires will not be visible after the light is attached.
Attach the light to the horn, using the two screws that were removed in step 4.
7. Connect the light leads following the diagram in figure 4. Insulate all splices.
D. Installation on 4-Inch Speakers.
• Refer to "Warning Message to Installers" packed with this unit. Also, refer to Introduction and Basic
Installation instructions in this instruction sheet before installing device.
• Use only 14 to 18 AWG wire for power connection. Strip no more than 0.25-inch of wire insulation from the
ends of the power leads.
1. Remove the two phillips head screws from the front of the speaker. Retain the screws.
2. See figure 5. Using a small pin punch or similar blunt tool, knock out hole "B" from the rear of the
speaker, if a two wire light is being installed. If a four wire light is being installed, knock out both holes
"A" and "B" from the rear of the speaker. If the speaker is housed in a metal enclosure, use a round file
to remove any burrs that may be present. Figure 5 shows a basic 4-inch speaker enclosure containing no
parts other than the speaker. However, some 4-inch speaker units do include components in addition to
the speaker. DO NOT remove any parts before knocking out the holes indicated in figure 5.
3. Route power leads through the horn and out of knockout hole "B", see figure 5. Snap the front cover of
the light off. Route power leads through board assembly as shown in figure 6. Connect the power leads
to the terminals of the two position connector by inserting the stripped ends of the wire into the
connector as far as they can travel, polarity MUST be observed on DC units. Make sure supply lead
insulation is flush with connector. If stranded wire is used, be sure that there are no loose strands outside
the connector plug that could touch the adjacent lead and cause a short circuit. Replace cover on light,
lens should snap onto board assembly.
4. See figure 7. Connect the leads to the power source. Polarity on AC units does not matter. Insulate all
splices.
WARNING
NOTE
WARNING
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