Ultra Start KEU-300 Series Install Manual Download Page 5

3 Pin Connector Continued

Yellow- 

Unlock Switch Sense Input Mode.

This input is designed to prevent the switch from disarming the alarm 
system. 

Connect this wire to the Unlock wire that is activated with the unlock switch 
in the door but not by the factory remote. Some vehicles will have activation 
of its unlock wire from both the unlock switch and the remote transmitter. In 
these situations the unlock wire will need to be diode isolated.

Diode Isolation- Positive Door Lock System.

Cut the unlock wire and connect the switch side to both the yellow switch 
sense and non striped side of the diode. Connect the striped side to the 
transmitter activated side of the cut unlock wire.

Diode Isolation- Negative Door Lock System.

Cut the unlock wire and connect the switch side to both the Yellow sense 
wire and  the striped side of the diode. Connect the non striped side of the 
diode to the transmitter activated side of the unlock wire.

2 Pin Starter Disable Wiring harness

Connect both ends of the starter disable harness into the module. Run the 
other end of the brown harness to the ignition harness and cut it in half.  
Locate the starter wire at the ignition harness, the starter will only test 
12 volts in the “Start” or “Crank” position. After the starter wire is located, cut 
it in half (The vehicle should not start) then connect the cut brown harness to 
the cut sides of the starter wire on the vehicle.  

Start

Start

IG1

IG1

IG2

IG2

ACC

ACC

Off

Off

To Starter Motor 
or Relay

x

Cut

Starter Disable Harness
Brown wire with spade
connectors.

REMOTE VEHICLE SECURITY                                                       

INSTALL  MANUAL

                                                                                                                                PAGE 5

Summary of Contents for KEU-300 Series

Page 1: ...nterference received including interference that may cause undesired operation CAUTION Changes or modifications not expressly approved by the part responsible for compliance void the user s authority...

Page 2: ...onstant Input Horn Siren Input Horn Siren Output Flashing Park Light Output Second Channel Output Domelight Lock Output Positive Door Input Negative Door Input Hood Trunk Sensor Input Door Lock Wire I...

Page 3: ...n the transmitter is pressed twice within 3 seconds If the ignition turns on within 5 seconds the Shock Sensor will be automatically disabled until 10 seconds after the ignition shut back off Orange 5...

Page 4: ...of the brown wires to Ground the other brown wire will than supply a Ground output 3 Pin Connector Connect this harness before connecting the main harness The system will automatically learn both posi...

Page 5: ...olation Negative Door Lock System Cut the unlock wire and connect the switch side to both the Yellow sense wire and the striped side of the diode Connect the non striped side of the diode to the trans...

Page 6: ...off will deactivate the Siren Horn Output Switch 3 ON Horn Output OFF Siren Output In Horn Output Mode the output on the Brown wire will pulsed In Siren Output Mode the output on the Brown wire will...

Page 7: ...confirm reset Setting 1 Secure Valet Mode Turn the ignition key ON OFF ON OFF ON press and release the program switch The LED will flash One time to confirm setting one Hold the program switch until t...

Page 8: ...ode enabled 2 Chirps Default Car Jack Mode Disabled Setting 5 Shock Sensor Delete Turn the ignition key ON OFF ON OFF ON press and release the program switch 5 times The LED will flash Five times to c...

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