Model 4000 ALERT™
INSTALLATION INSTRUCTIONS
INSTALLATION AND OPERATION INSTRUCTIONS
Your purchase of a WOLO product is a perfect choice to compliment your vehicle. Our products are manufactured
with the finest of materials. Each siren is bench tested before it is packaged to assure workmanship and quality, so
you will have years of reliable service. If you need help with installation or in using your new Wolo siren, our
technicians are available to answer your questions, Monday thru Friday, from 9 AM to 4 PM EST at 1-888-550-4676.
IMPORTANT: THE MODEL 4000 ALERT™ SHOULD NEVER BE USED AS A SIGNALING OR WARNING DEVICE
UNLESS AUTHORIZED TO DO SO BY FEDERAL, STATE, OR LOCAL LAW
ENFORCEMENT.
MOUNTING SIREN CONTROLLER
1. Select a mounting location in the vehicle that allows easy access to the buttons
and volume control on the face of the siren controller.
2. Position the mounting bracket onto the siren controller. (Note: the bracket can be
mounted either on top of the siren controller for
console mount or from the bottom for under dash
mount). See Fig. (A).
3. The bracket is secured to siren controller on one
side with two (2) screws. See Fig. (B).
4. Place the siren controller in the selected
mounting location. Using the mounting bracket
as a template, mark location of mounting holes
to be drilled.
5. Drill holes (4) on market S/B Drill four-(4) holes on the marked locations. using a
1/8-inch drill bit and mount the siren controller
with the self-tapping screws provided. See Fig.
(C).
MOUNTING SPEAKER
6. Select a location in the engine compartment that is dry and safe from the
engine’s exhaust manifold heat or in a roof mounted light bar. When possible
position the speaker facing downward which will help prevent water from
entering into the speaker. To ensure the siren always functions to maximum
loudness, make sure the front of the
speaker is not blocked.
7. Using the speaker’s mounting bracket as a template, mark the hole
locations and drill using an 1/4 inch drill bit.
8. Secure the speaker to mounting surface with hardware provided.
See Fig. (D).
WIRING HARNESS (Fig. E)
19. Connect the wire harness to the siren controller by pushing the
plugs together.
10. GREEN WIRES are connected to the Speaker’s green wires.
Connect either green wire from the harness to one of the
speaker’s wires. Then connect the remaining green wire from the
wire harness to the other speaker wire.You will need to route the
harness green wires through the vehicle firewall or roof depending
on speaker’s mounting location. Make sure that the hole the wires
are being passed through does not have sharp edges that could
cut into the plastic insulation of the wire.
Bracket position for
console mounting
Bracket position for
under dash mounting
Drill four
1/8” holes
Drill four 1/4” holes
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