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© 1999 Directed Electronics, Inc.Vista, CA 3
N430 9/99
Step One:
Deciding on Component Locations
Siren
Some things to remember when mounting the siren:
• Keep it away from heat sources. Radiators, exhaust manifolds, turbochargers, and heat shields are all
things to avoid.
• Mount it where a thief cannot easily disconnect it, whether the hood is open or shut. Both the siren and
its wires should be difficult to find.This usually involves disguising the wire to look like a factory harness.
• We recommend against grounding the siren to its
mounting screws. Instead, we recommend running both
the red and black wires into the passenger compartment
and grounding to one common point for all devices. After
all, both wires are the same length and come already
bonded together.Whenever possible, conceal your wires
in the factory harnesses or in the same style loom as the
factory.
• When possible, put the siren on the same side of the
vehicle as the control module, where its wires will reach
the control module’s wires without extending them.
Always run the wires through the center of a grommet,
never through bare metal!
• Point the siren down so water does not collect in it.
Control Module
Never put the control module in the engine compartment!
The first step in hot-wiring a vehicle is removing the driver's side under-dash panel to access the starter and ignition
wires. If the control module is placed just behind the driver's side dash it can easily be disconnected.
When locating the control module, try to find a secure location that will not require you to extend the harnesses’
wires (they are 1.5 meters long). Keep it away from the
heater core (or any other heat sources) and any obvious
leaks.
The higher the control module is in the vehicle, the better
the transmitter range will be. If you put the control module
under a seat or inside a metal dashboard, range will suffer,
and you may wish to add a 542T Range Extending
Antenna (available separately).
Some good control module locations: Above the glove box,
inside the center console, above the under-dash fuse box,
above the radio, etc.