True Mods © 2012-2021 All Rights Reserved
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Switch Functions:
Radio
With the rotary knob set to this function, the radio function would be
activated. Any signal that is received by the vehicle’s two-way radio will
be broadcasted over the connected speaker. (the siren must be
connected to the two-way radio as outlined in wiring section of this
manual)
Stand-by
With the rotary knob set to this function, the siren will be in stand-by.
Manual Horn/Siren and PTT Mic functions are enabled during stand-by.
Yelp
With the rotary knob set to this function, the yelp siren warning tone
will be activated.
Wail
With the rotary knob set to this function, the wail siren warning tone
will be activated.
Hi-Lo
With the rotary knob set to this function, the hi-lo siren warning tone
will be activated.
Hi-Lo 2
With the rotary knob set to this function, the hi-lo 2 siren warning tone
will be activated.
The siren is designed to be mounted directly onto the dash or any other
surface around the driver’s vicinity using the included bail-strap mounting
bracket. The siren unit can also be mounted into the vehicle’s console when
vehicle is equipped with such a compartment.
Mounting:
WARNING! Make sure NOT to mount the siren in the deployment of any air
bag. Refer to the air bag warning on the first page of this manual.
CAUTION! Permanent mounting of this product will require drilling. It is
necessary to make sure that no other vehicle components could be damaged
by this process. Check both sides of the mounting surface before starting. If
damage is likely, select a different mounting location.
Position the bail strap against the desired mounting location.
Scribe the area where the mounting holes would be drilled.
Proceed to drilling of the surface for the mounting screws. Make sure
no vehicle component could be damaged during this process.
Secure the bail strap to the mounting surface with the included screws.
Secure the siren unit to the bail strap using the included screws and
washer. Refer to mounting diagram.
1.
2.
3.
4.
5.
Bail Strap Mount
Position the microphone clip against the desired mounting location.
Make sure there microphone clip is not placed too far away from where
the siren unit will be mounted.
Scribe the area where the mounting holes would be drilled.
Proceed to drilling of the surface for the mounting screw. Make sure no
vehicle component could be damaged during this process.
Secure the microphone clip to the mounting surface with the included
screws.
1.
2.
3.
4.
5.
Microphone Clip:
Wiring:
To 12V Power Source
To optional equipment 1
To speaker
RED -
YELLOW -
GREEN 1 -
To Chassis Ground
To optional equipment 2
To speaker
BLACK -
BLUE -
GREEN 2 -
WARNING! All customer supplied wires that connect to the positive terminal of
the battery must be sized to supply at least 125% of the maximum operating
current and FUSED at the battery to carry that load. DO NOT USE CIRCUIT
BREAKERS WITH THIS PRODUCT!
Optional Connections:
Horn Connector (YELLOW) – Connect the unit in-line between the horn
button and horn relay with the outer yellow wire connected to the horn
button, and the inner yellow wire connected to the horn relay.
Radio Connector (WHITE) – Connect the unit in-line between one of
the radio’s output wire. The unit will broadcast the radio in mono sound
type. Should only be spliced into one of the output wires (left or right).
Wiring Diagram:
Specifications:
Input Voltage: 12 VDC +/- 20%
Input Current: 12 AMPS Max.
Input Fuse: 15 AMPS
Speaker Impedance: 8 OHMS Min.
Output Power: @ 12 VDC @ 8 OHMS 100 WATTS Max.
YELLOW
YELLOW
HORN RELAY
HORN RELAY
RADIO
RADIO
YELLOW
YELLOW
WHITE
WHITE
WHITE
WHITE
GREEN
GREEN
BLACK
RED
YELLOW
BLUE
