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-23- 

Troubleshooting 

Symptom

 

Possible Cause

 

Check

 

No power

 

No power supplied to +12 terminal 

block inputs in amplifier

 

Connector loose

 

Amplifier 20A fuse or 5A fuse 

blown

 

 

 

Loose connection at power source

 

Does back-lighting come on?

 

 

 

Do you hear a “pop” when turned on?

 

Is power hooked up backwards?  Positive 

ground vehicle?

 

Is an external fuse or circuit breaker used?

 

Are the negative leads connected to a good 

ground?

 

No siren tone - 
PA works

 

 

 

 

 

 

 

 

 

No siren tone - 
No sound

 

High voltage protection

 

Low voltage protection

 

 

 

Microphone button stuck

 

Park Kill polarity option set wrong 

 

Park Kill activated

 

 

 

Bad speaker or speaker wiring

 

 

 

The input voltage must be less than 16 VDC.

 

The input must be greater than 10VDC with the 

siren turned on.

 

Does microphone button release properly?

 

Is the PK jumper option properly configured?

 

Does the siren work when Park Kill input is 

disconnected?

 

Does either speaker diagnostic LED flash? 

Check for a short.

 

Does neither speaker LED turn on steady?  

Check for an open.

 

No PA

 

PA volume not set properly

 

Have you tried turning the PA volume control?

 

Distorted siren 
sound

 

Speaker assembly loose

 

Intermittent Aux. Input connection

 

Low or high vehicle voltage

 

Is the speaker bell or tip loose?

 

Is the Aux. Input used and wired properly?

 

Input voltage must be between 10 & 16 volts 

while siren is on.

 

Intermittent 
siren tone

 

High voltage protection

 

 

 

Low voltage protection

 

 

 

 

 

 

 

Microphone button activation

 

Circuit breaker in supply connection

 

 

 

Shorted speaker or speaker wire

 

Is the vehicle voltage regulator working 

properly?

 

Is the connector tight on the back of the unit?  

Loose connection on power lead?

 

   The input must be greater than 10V w/ the 

siren turned on.

 

Is something lying on the microphone?

 

Is a circuit breaker used with at least a 50A 

rating?

 

Does the speaker have water damage, or is a 

wire pinched?

 

Horn function 
or

 

Manual 
function stuck 
on

 

Siren push button switch stuck

 

 

 

Aux. Input improperly connected

 

Aux. Input Polarity Option set 

wrong

 

Does the Siren switch return fully when 

released?

 

Is the AUX Input used and wired properly?

 

Is the AUX jumper option properly 

configured?

 

No Radio

 

 

 

 

 

 

 

No or Low 
Radio

 

Unit not connected to radio

 

Radio volume too low

 

 

 

 

 

Radio outputs not isolated and 

polarity hooked up backwards

 

Is the radio connected properly to the unit?

 

Can you hear the radio in the vehicle?

 

Have you tried turning the Radio volume 

control?

 

Are the radio wires connected to the correct 

polarity from the radio output?

 

Wrong siren 
tone

 

Two-Tone option jumper installed

 

 

 

Aux. Input set to wrong function

 

Is the TT jumper option properly configured?

 

Is the AUX jumper option configured 

properly?

 

Phaser not 
working

 

Phaser disabled

 

Is the PD jumper option configured properly?

 

Lights not 
working

 

Overloaded or short circuit

 

 Check fuse.  Check wire connections.

 

Summary of Contents for ST300

Page 1: ...mmander SIREN AMPLIFIER LIGHT CONTROLLER INSTALLATION AND OPERATING INSTRUCTIONS 1340 Russell Cave Road P O Box 54308 Lexington KY 40505 Tel 800 477 7766 Fax 800 944 2557 www galls com Street Thunder Street Thunder Street Thunder Street Thunder ...

Page 2: ...22 MICROPHONE 22 AUXILIARY INPUT 22 PARK KILL 22 SPEAKER DIAGNOSTICS 22 SERVICE 23 25 TROUBLESHOOTING 23 FUSES 24 SPECIFICATIONS 24 PARTS 25 RETURNS 25 LIMITED WARRANTY 26 SWITCH FUNCTION TABLE 26 NOTICE Due to continuous product improvements we must reserve the right to change any specifications and information contained in this manual at any time without notice Galls and or the manufacturer make...

Page 3: ...he face of the control head is sealed around every push button to help prevent liquid from entering the electronics The amplifier is a 200W siren amplifier unit designed for single or dual 100W speaker use The control head contains several distinct controls for operation of vehicle devices The slide switch allows quick pursuit mode operation The far right slide position can be set up to activate m...

Page 4: ...es user feedback as well as shutdown protection against speaker opens and shorts The first four light output functions are individually protected with 20A fuses while the fifth light output function is protected with a 2A in line fuse CAUTION These protection features will not guard against overloading the outputs Installation Proper installation of the unit is essential for years of safe reliable...

Page 5: ...r Disable Slide Switch Pursuit Disable Light control option jumpers located inside the control head Auxiliary control Manual vs Horn 8 second timed gun lock release S4 Momentary replacement of lock on lock off switch operation S3 Normally closed contact replacement of normally open S3 Activate Hands Free on start up Activate Horn Ring Transfer on start up Audible beep disable S3 Auto Activate on P...

Page 6: ...ff shown above 2 Turn AUX NEG DIP switch on shown above The wiring diagram on page 14 shows two connection examples The Park Kill Cutout Input turns off any siren tone output when activated and remains off until a control is activated or changed The wiring diagram on page 14 shows two connection examples Connecting the white wire to positive 12 VDC normally activates the Park Kill input To have it...

Page 7: ... on up position DIP switch 3 in the amplifier labeled SW See Amplifier diagram above If desired the Phaser function can be completely disabled by turning on up position DIP switch 4 in the amplifier labeled PD This will also disable the manual button while the siren is in Phaser mode which normally would produce a Two Tone sound See Amplifier diagram above ...

Page 8: ...en output in the wail mode along with all three light functions Automatic activation of the siren and arrow stick can be disabled If you prefer to NOT have the siren and arrow stick automatically activated when the slide switch is moved to position three move Dip switch 2 in the amplifier labeled PS to the UP position See diagram above ...

Page 9: ...S4 closes for 8 seconds when pushed S3 is a standard push on push off switch S3 becomes a momentary switch S3 is normally open when off S3 becomes closed when off Hands Free function off when powered up Hands Free function is on when unit powered up Horn Ring Transfer S5 is off when powered up Horn Ring Transfer is auto selected on start up Audible beep heard when buttons are pressed Audible beep ...

Page 10: ...fier is shipped with the third push button S3 as a normally open contact which closes when pressed It can be changed to a normally closed contact that opens when pressed Activate Hands Free on start up If you wish to have the siren automatically activated in Hands Free Mode when the control head is powered up you can select this option Activate Horn Ring Transfer on start up S5 If you wish to have...

Page 11: ...amplifier should be mounted in a location such as the driver compartment firewall under the seat or in the trunk Do not mount the amplifier in the engine compartment or in an area that would be allowed direct exposure to weather elements Choose a mounting location away from any air bag deployment areas Assure adequate ventilation to prevent overheating 1 The amplifier unit is provided with a mount...

Page 12: ...lied hardware 4 If the control head option jumpers have not been previously set refer to the Installer Selectable Options section on pages 7 8 5 Screw the second U bracket to the backside of the control head using the two 8 screws provided 6 The U bracket on the back of the control head can now be fastened to the U bracket previously mounted on the vehicle using the two screws two flat washers two...

Page 13: ...g the microphone Choose a location convenient to the operator and away from any air bag deployment areas Using the mounting clip as a template mark the two holes to be drilled Using a 1 8 drill bit drill the two mounting holes Install the two 6 screws provided with the bracket ...

Page 14: ... 40A 10 23 19 40A 50A 8 21 19 All conductors should be constructed of stranded copper with thermoplastic insulation CAUTION All wires should be rated for at least 125 of their maximum current load All wires connected to the positive terminal of the battery should be fused at the battery for their rated load The load can be calculated by adding all lamp wattages and dividing by 13 Load Amps Total W...

Page 15: ...will turn the power to your unit on and off Siren Optional Connections BLUE LEADS Use for radio repeat Connect one blue lead to each terminal of the radio speaker or output connector of the radio Use 18 AWG wire GREEN LEAD AUX Use if you would like to activate the siren s AIR HORN when the vehicle horn is pressed Connect to horn ring circuit or other remote switch Circuit may be positive or negati...

Page 16: ...lay Activated When PB5 is Turned On To High Current Device 5 Black 14 AWG SIREN AMPLIFIER 11 Pink 18 AWG 10 Orange 18 AWG 9 Green 18 AWG OR 8 White 18 AWG 7 Brown 14 AWG 6 Blue 18 AWG 1 Red 14 AWG 4 Red 14 AWG 3 Blue 18 AWG 2 Black 14 AWG Positive Switching PK Jumper Selected 12 VDC 2 Amp fuse SPEAKER 1 11 OHMS SPEAKER 2 11 OHMS Door Switch Dome Light Negative Switching PK Jumper Selected RADIO Co...

Page 17: ...relay Ground Side Horn Switch Negative Switching AUX Jumper Selected 12 VDC VEHICLE HORN Cut your horn wire here and insert the installer supplied relay Positive Side Horn Switch Connect like this for Positive Side Horn Switch Connect like this for Ground Side Horn Switch OR VEHICLE HORN Cut your horn wire here and insert the installer supplied relay Green Wire From Amp Orange Wire From Amp Orange...

Page 18: ...plied to all three inputs L1 L2 L3 Center Terminal Block Connect lights to L1 L3 outputs 20A max each that you wish to activate in the corresponding slide switch positions Note the second slide switch position activates both L1 and L2 and the third slide switch position activates L1 L2 and L3 S1 S2 S3 S4 Right Terminal Block Connect lights to S1 S4 outputs 20A max each that you wish to activate wi...

Page 19: ...Visual Warning Device Lights to be activated by push button switch S2 Audio Visual Warning Device Lights to be activated by push button switch S1 Audio Visual Warning Device Lights only to be activated by slide switch position 3 Audio Visual Warning Device Lights only to be activated in both slide switch positions 2 3 Audio Visual Warning Device Lights to be activated in slide switch positions 1 2...

Page 20: ...en made to S1 through S5 labels can be inserted into the switches The product is shipped with 30 different labels for these push buttons Select the desired label inserts provided Insert the label into each button and tuck it under the lip of the switch The siren labels come pre installed and may be used for reference when inserting light function labels Label Insertion ...

Page 21: ... three sets of lights Connected to L1 L2 and L3 Each output is protected with a 20A fuse The siren Wail mode Position 3 The siren may be disabled in the pursuit mode during installation if desired See page 6 of the INSTALLER SELECTABLE OPTIONS section for jumper details MAN PHSR HF HORN WAIL YELP RADIO S1 S2 S3 S4 S5 Control Head Off L1 L1 L2 L1 L2 L3 OFF L1 L2 L3 LIGHT PUSH BUTTON SWITCHES S1 S2 ...

Page 22: ... or Local laws See page 5 of the INSTALLER SELECTABLE OPTIONS section for jumper details HORN Air Horn This momentary push button switch provides a simulated air horn tone while pressed This can be used to either replace or to supplement the normal vehicle horn and is useful at intersections or in high noise areas This tone will override all other siren tones HF Hands Free Also known as Horn Ring ...

Page 23: ...STALLER SELECTABLE OPTIONS on pages 3 6 Siren Mode Selected Speaker Output Pressing the Manual Push button Changes the Speaker Output to WAIL Wail Yelp YELP Yelp Phaser PHSR Phaser Two Tone HF Hands Free No Output Creates a manual WAIL tone while button is being held that stops immediately when the button is released Radio No Output No Output NONE No Output Creates a manual WAIL tone while button ...

Page 24: ...hing device may be connected to the auxiliary input AUX Green wire This will provide the same operation as pressing the HORN button NOTE This may also be changed to provide the same operation as the MAN button instead of the HORN button See Light Control Option Jumpers on pages 7 8 PARK KILL CUTOUT During installation the Park Kill input may be connected to a door switch It will automatically turn...

Page 25: ... volts while siren is on Intermittent siren tone High voltage protection Low voltage protection Microphone button activation Circuit breaker in supply connection Shorted speaker or speaker wire Is the vehicle voltage regulator working properly Is the connector tight on the back of the unit Loose connection on power lead The input must be greater than 10V w the siren turned on Is something lying on...

Page 26: ...aser and Radio Momentary push button Horn and Manual Toggle switch Auxiliary input connection for remote Manual Horn operation jumper programmable for positive or negative horn Park Kill input connection jumper programmable for positive or negative activation Phaser and Two Tone disable jumper programmable Two Tone activation swaps modes with Phaser jumper programmable Diagnostic Indicators Two LE...

Page 27: ...h Screws CAUTION These are not a standard telephone cables and CANNOT be replaced with one To Return Merchandise Within the first 60 Days Please contact Galls Customer Service Department at 800 477 7766 After 60 Days Please contact the manufacturer at 585 226 9025 If you have any questions concerning this or any other Galls product please contact our Customer Service Department at 800 477 7766 No ...

Page 28: ... elect any part or parts of such product which after examination by Galls is determined to be defective in material and or workmanship This warranty does not cover labor charges for removal or re installation of the product Fuses and lamps are not covered under this warranty This warranty does not extend to any unit that has been subjected to abuse misuse improper installation or which has not bee...

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