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アンプ Galls Street Thunder ST280のPDF 据付・取扱説明書をオンラインで閲覧またはダウンロードできます。Galls Street Thunder ST280 18 ページ。 Siren amplifier & light controller
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Please follow these guidelines when wiring the siren:

• Use only high quality crimp connectors.

• Make sure all connections are tight.

• Route wiring to prevent wear, overheating and interference with air bag

deployment.

• Use grommets and sealant when passing through compartment walls.

• Minimize the number of splices to reduce voltage drop.

• Ground connections should only be made to substantial chassis components,

preferably directly to the negative of the vehicle battery.

• Install and check all wiring before connection to vehicle battery.

Siren Wiring Connections:

Siren input and output connections are made on the back of the unit through a

12-pin connector and wiring harness.

6 5 4

12 11 10

Please review the Siren Wiring diagram on page 8 and make your connections

as follows:

BLACK: (Pins 2 & 5) Ground - Connect these leads to the negative of the

battery, or to a good chassis ground. You MUST connect both

leads if you are using two 100-watt speakers. Be sure to use

minimum size #14 AWG wire.

RED: (Pins 1 & 4) Power - Connect both leads to the positive side of the

battery, or to a high current power buss. You MUST connect both

leads if you are using two 100-watt speakers. A power relay may

also be used. Be sure to use minimum size #14 AWG wire.

YELLOW: (Pin 11) Ignition Switched Power - Connect to +12VDC through

a switched power supply (possibly ignition). This will turn the

siren on and off. Be sure to use minimum size #18 AWG wire.

ORANGE: (Pin 9) Backlight Power - This lead supplies power for the

backlighting of the siren. Connect it to +12VDC from the dash

lights, parking lights or other switched source. Be sure to use

minimum size #18 AWG wire.

BROWN: (Pins 7 & 12) Speaker Output - Connect one lead to each terminal

or lead of the speaker. Be sure to use minimum size #14 AWG

wire. If connecting a second speaker in parallel, you must

observe the polarity of the speakers (phasing). Be sure that the

positive terminals of both speakers are connected together to the

same brown wire from the siren. In which case, the negative

terminals of both speakers would also be connected together to the

other brown wire.

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