Chapter 3: Wiring the e-Q2B Siren System
e-Q2B Siren System
32
Connecting the e-Q2B System to the Battery
The e-Q2B is supplied with a three-conductor, 20-foot power cable. The cable uses a three-position male
connector The installer-supplied red (positive) and black (negative ground) power leads from the siren
amplifier to the vehicle battery should be as short and direct as possible. Required are an installer-supplied
in-line fuse and wiring of an amperage capacity sufficient to handle the total vehicle electrical loads.
BATTERY EXPLOSION—To avoid a battery explosion, always disconnect the
negative battery cable first and reconnect it last. Avoid causing a spark when
connecting near or to the battery. The gases produced by a battery can cause a
battery explosion that could result in vehicle damage and serious injury.
HIGH CURRENT ARCING—Do not connect this system to the vehicle battery until
ALL other electrical connections are made and you have verified that no shorts
exist. High current conductors can cause hazardous sparks or burning wire
resulting in electrical fires.
Preparing to Connect the Power Leads
Before connecting the amplifier/relay module to the battery, ensure that your final installation goes
smoothly by taking these preparatory steps:
1.
Visually check all connections and wiring to ensure that all connections are correct and secure.
2
. Ensure that there are no loose strands or other bare wires that may cause a short circuit.
Also, all wires must be protected from any sharp edges that could eventually cut through the
insulation.
3.
Verify that are other electrical connections are completed and that no shorts exit.
4.
Use an ohmmeter to verify that a short circuit does not exist between the positive (+) and
negative (–) battery cable leads. Also, there must be no short circuits between the positive
wires and the vehicle chassis.
5.
Insulate spliced leads with twist-on wire connectors. Fold and seal unused leads. Use wire ties
and hold-downs for strain relief.
Connecting the Power Leads to the Vehicle Battery
The installer-supplied red (positive) and black (negative ground) power leads from the siren
amplifier to the vehicle battery should be as short and direct as possible.
1.
Connect the 10 AWG red positive lead (+) to a positive power source capable of supplying
40 amperes. Install a user-supplied 30-ampere fuse (minimum) at the source. The e-Q2B is
internally fused at 30 amperes (Figure 3.15 on page 33).
2.
Connect the 10 AWG negative (
–
) black lead directly to the negative battery terminal.
3.
Connect the 12 AWG white lead with the red stripe to a switched circuit that is hot, or active,
in the ON and START position of the vehicle ignition system. Install a user-supplied 2-ampere
fuse at the source.
Summary of Contents for e-Q2B
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