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Hornet 725T, Installation Manual

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Hornet 725T Installation Manual Download Page 7

© 2002 Directed Electronics, Inc. Vista, CA

7

Things to remember when positioning the Status LED: 

■

It should be visible from both sides and the rear of the vehicle, if possible.

■

It needs at least 

1

/

2

" clearance to the rear.

■

It is easiest to use a small removable panel, such as a switch blank or a dash bezel. Remove it before drilling

your 

9

/

32

" hole.

■

Use quick-disconnects near the LED wires if the panel is removable. This lets mechanics or other installers

remove the panel without cutting the wires.

If the optional starter kill relay or its connections are immediately visible upon removal of the under-dash panel,

they can easily be bypassed. Always make the relay and its connections difficult to discern from the factory

wiring! Exposed yellow butt connectors do not look like factory parts, and will not fool anyone! For this reason,

routing the starter kill wires away from the steering column is recommended.

finding the wires you need

Now that you have decided where each component will be located, you will need to find the wires in the vehicle

that the security system will be connected to. 

IMPORTANT!

Do not use a 12V test light to locate these wires! Use a digital multimeter for all

testing.

locations for the optional starter kill relay

locations for the status LED

Summary of Contents for 725T

Page 1: ...Model 725T Installation Guide 2002 Directed Electronics Inc Vista CA N725T 4 02 ...

Page 2: ...ill relay 7 finding the wires you need 7 obtaining constant 12V 7 finding the 12V switched ignition wire 8 finding a parking light wire 8 finding the door pin switch circuit 9 finding the starter wire 10 making your wiring connections 10 primary harness H1 12 pin connector 11 primary harness wire connection guide 12 on board stinger doubleguard shock sensor 16 bypassing sensor inputs 16 harness 2 ...

Page 3: ...module see diagram Two remote transmitters P N 491T A on board Stinger Doubleguard shock sensor A Revenger Soft Chirp siren The plug in status LED The plug in Valet Program switch 3 pin 2 wire door lock harness Stinger Doubleguard Shock Sensor Adjustment Primary Harness H1 ...

Page 4: ...sance Prevention Circuitry section deciding on component locations Some things to remember about mounting the siren Keep it away from heat sources such as radiators exhaust manifolds turbochargers and heat shields 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 ...

Page 5: ...it can easily be disconnected When mounting the control module try to find a secure location that will not require you to extend the har nesses 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...

Page 6: ... of the vehicle IMPORTANT When the vehicle is delivered please show the user where this switch is located and how to disarm the system with it Ensure that the location you pick for the switch has sufficient clearance to the rear The switch should be well hidden It should be placed so passengers or stored items such as items stored in a glove box or center console cannot accidentally hit it The swi...

Page 7: ...its connections are immediately visible upon removal of the under dash panel they can easily be bypassed Always make the relay and its connections difficult to discern from the factory wiring Exposed yellow butt connectors do not look like factory parts and will not fool anyone For this reason routing the starter kill wires away from the steering column is recommended finding the wires you need No...

Page 8: ... as the fuel delivery system fuel pump fuel injection computer Accessory wires on the other hand lose power when the key is in the start position to make more current avail able to the starter motor How to find 12V ignition with your multimeter 1 Set to DCV or DC voltage 12V or 20V is fine 2 Attach the probe of the meter to chassis ground 3 Probe the wire you suspect of being the ignition wire The...

Page 9: ...ight wire that does not vary with the dimmer setting How to find a parking light flash wire with your multimeter 1 Set to DCV or DC voltage 12V or 20V is fine 2 Attach the probe of the meter to chassis ground 3 Probe the wire you suspect of being the parking light wire Usually the area near the headlight parking light switch is an excellent area to start as is the kick panel 4 Turn on the parking ...

Page 10: ...ewer GM vehicles lack standard type pin switches The dome light in these vehicles is turned on when the door handle is lifted These usually have a blue white or white wire coming out of the door into the kick panel which will provide a trigger for all doors Some GM vehicles some Cavaliers Grand Ams etc have a yellow wire coming out of the door which provides a door trigger The starter wire provide...

Page 11: ...in tubing similar to what the manufacturer used There are two acceptable ways of making a wire connection solder connections and crimp connectors When properly performed either type of connection is reliable and trouble free Regardless of whether you solder your connections or you use mechanical type crimp on connections ensure that all connections are mechanically sound and that they are insulate...

Page 12: ...OUTPUT RED CONSTANT POWER INPUT BROWN SIREN OUTPUT YELLOW SWITCHED IGNITION INPUT ZONE 5 BLACK CHASSIS GROUND INPUT VIOLET DOOR TRIGGER INPUT ZONE 3 BLUE INSTANT TRIGGER INPUT ZONE 1 GREEN DOOR TRIGGER INPUT ZONE 3 BLACK WHITE VALET PROGRAM BUTTON INPUT WHITE BLUE 2V LED OUTPUT WHITE 200 mA LIGHT FLASH OUTPUT ORANGE 500 mA ARMED OUTPUT H1 1 H1 2 H1 3 H1 4 H1 5 H1 6 H1 7 H1 8 H1 9 H1 10 H1 11 H1 12...

Page 13: ...ntrol another module such as a Directed 529T or 530T window controller a 1 amp diode type 1N4004 will be required Insert the diode as shown below IMPORTANT Never interrupt any wire other than the starter wire The unit supplies a 200mA output that can be used to flash the parking lights of the vehicle If the vehicle uses a relay to drive the parking lights this wire may be connected directly to the...

Page 14: ...or is open connect the green wire to it If the door switch wire you found is when the door is open use the violet wire instead IMPORTANT Test to make sure this wire sees all doors This input will respond to a input with an instant trigger It is ideal for hood and trunk pins and will report on Zone 1 If connecting several inputs to this wire they should be diode isolated as shown H1 6 BLUE instant ...

Page 15: ...two sided lock washer Under dash brackets and door sheet metal are not acceptable ground points It is rec ommended that all security components be grounded at the same location Connect this wire to an ignition wire This wire must show 12V with the key in the run position and during cranking IMPORTANT Make sure that this wire cannot be shorted to the chassis at any point H1 9 YELLOW ignition input ...

Page 16: ...int you obtain 12V Do not use the 10A fuse in the harness for this purpose This fuse protects the module itself When the system receives the code controlling Channel 2 for longer than 1 5 seconds the red white wire will supply an output as long as the transmission continues This is often used to operate a trunk hatch release or other relay driven function IMPORTANT Never use this wire to drive any...

Page 17: ...d Adjusting the sensor and then relocating the module requires read justment bypassing sensor inputs There are times when you need to temporarily bypass all sensor inputs to the unit such as when remote start ing the vehicle Anytime an auxiliary channel output is used all inputs are bypassed for five seconds During the five second bypass period ground can be supplied to the H1 6 Blue wire without ...

Page 18: ...perate the switch to unlock If all doors unlock the vehicle uses type A system If you lose all door lock operation in both directions you are operating the master switch in a Type C system If you lose all door lock operation of one or more but not all motors stop operating and other doors still work you have cut a wire leading directly to one or more motors You must instead find the actual wires l...

Page 19: ...e B The switch will have three wires on it and one wire will test ground all the time One wire will pulse when the switch locks the doors and the other wire will pulse when the switch unlocks the doors This type of system is difficult to mistake for any other type IMPORTANT Remember that these wires functions reverse between Type A and Type B type B pulses from the switch to the factory relays ...

Page 20: ...ne direction only you have located one of the target wires The switch that lost all operation is the master switch If one switch works both directions and the other switch works only one direction you have a Type A system If both switches still operate but one or more doors has stopped responding entirely you have cut a motor lead Reconnect it and continue to test for another wire Once both wires ...

Page 21: ...or lock actuator inside the door Other vehicles may only require one actuator installed in the driver s door if all door locks are operated when the driver s lock is used This type of installation is required to operate factory lock systems in Volvo except 850 SAAB and most Mazda Isuzu and Subaru models The fuse used on 12V inputs should be 7 5A per motor installed in the vehicle IMPORTANT Do not ...

Page 22: ... all the doors lock the vehicle s door lock system can be controlled with just two relays optional The control wire can be found in either kick panel and will show 12V when doors are unlocked and ground when doors are locked To interface see diagram below The system must be programmed for 3 5 second door lock pulses See Operation Settings Learn Routine section of this guide type E mercedes benz an...

Page 23: ... are reversed Type F door lock systems are found in late model Nissan Sentras some Nissan 240SX and Nissan 300ZX 1992 up This type of system is also found in some Mazda MPV s and some Mitsubishi s One relay optional is used to interface to this type of system as follows type F one wire system 2002 Directed Electronics Inc Vista CA 23 ...

Page 24: ...der must be isolated from the factory door lock system For all testing use a calibrated digital multimeter that is set to ohms 1 Cut the output wire from the door lock switch key cylinder in half 2 Test with the meter from the switch side of the cut door lock switch key cylinder wire to a reliable constant 12V source Some good constant 12V references are the power input source to the door lock swi...

Page 25: ...or values the door lock switch key cylinder must be isolated from the factory door lock system For all testing use a calibrated digital multimeter that is set to ohms 1 Cut the output wire from the door lock switch key cylinder in half 2 Test with the meter from the switch side of the cut door lock switch key cylinder wire to a reliable ground source Some good ground references are the ground inpu...

Page 26: ...d the Valet Program switch once more The siren will chirp the number of times corresponding to the channel that has been accessed 4 Press the transmitter button While still holding the Valet Program switch press the button from the transmitter that you wish to assign to that channel The unit will chirp indicating successful programming It is not possible to teach a transmitter button to the system...

Page 27: ... I into the security system of Vehicle 1 as the arm disarm button Do this with all four remotes 2 Now do the same for the Vehicle 2 security system except this time program Button II of all four remotes as the arm disarm button If using optional four button remotes all auxiliary channels are available on both vehicles Before programming make a list of all channels on each vehicle and decide which ...

Page 28: ... has been pressed and released the desired number of times press it once more and hold it After one second the siren will chirp to indicate which feature you have accessed For example three chirps would indicate access to Feature 3 Ignition Controlled Door Locks 4 Program the Feature While holding the Valet Program switch you can toggle between the one and two chirp feature settings by pressing th...

Page 29: ...and hold it The unit will chirp four times to confirm that you have accessed Feature 4 To exit the learn routine do one of the following 1 Close the open door 2 Turn the ignition on 3 No activity for longer than 15 seconds 4 Press the Valet Program switch too many times The siren will emit a long chirp when the Learn Routine has been exited feature menu Features in bold text have been programmed t...

Page 30: ...ing a siren sounding in a moving vehicle This feature makes the system compliant with these regulations 6 DOOR LOCK PULSE DURATlON Some European vehicles such as Mercedes Benz and Audi require longer lock and unlock pulses to operate the vacuum pump Programming the system to provide 3 5 second pulses will accommodate the door lock interface in these vehicles The default setting is 0 8 second door ...

Page 31: ... the system is triggered This is useful to honk the factory horn in applications where a siren is undesirable Re member that the unit is only capable of supplying 1 amp of current A relay will be required to interface with most factory horn systems nuisance prevention circuitry NPC NPC requires that you change the way you test the system as NPC will bypass an input zone for 60 minutes If the syste...

Page 32: ... status LED table of zones When using the Diagnostic functions use the Table of Zones below to see which input has triggered the system It is also helpful in deciding which input to use when connecting optional sensors and switches NOTE The Warn Away response does not report on the LED ZONE NO TRIGGER TYPE INPUT DESCRIPTION 1 Instant H1 6 BLUE wire Connect to optional hood trunk pins 2 Multiplexed...

Page 33: ...on from chirps to constant siren will continue Closing the door triggers the system but opening the door does not Have you correctly identified the type of door switch system This happens often when the wrong door input has been used See Harness 2 Door Lock Outputs section of this guide System will not passively arm until it is remotely armed and then disarmed Are the door inputs connected Is the ...

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