Ultra Start KEU-300 Series - Manual (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