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P. 8 Installation Guide AS-1725 SH
12 YELLOW
(+) Glow-Plug
input
In Diesel Mode, this positive input will monitor the Glow Plug Light:
it will wait for up to 18 seconds until the Glow-plug Light goes out
before allowing the Remote Car Starter to proceed to cranking the
Engine. Connect to the side of the Glow-plug Light which is positive
when the Light is on.
Note: the Remote Car Starter will nevertheless proceed to
cranking the Engine if the Glow-plug Light is still on after the 18-
sec. delay (25 sec. when the Run Time is set to 30 min.).
A Note on the Diesel Glow-plug Indicator Light:
(Also known as the “wait-to-start light”.) The purpose of the Glow-plug circuit
on diesel vehicles is to pre-heat the Combustion Chamber before the vehicle
is started.
When a Remote Starter is installed on a diesel vehicle, the Glow-plug
section of the Ignition circuit must be activated and allowed to operate before
the vehicle is remote-started. For that purpose, the Glow-plug input wire of
the Remote Car Starter must be connected to the Glow-plug indicator light of
the vehicle.
Caution! The Remote Car Starter will only accept positive Glow-plug input
signals, therefore negative Glow Plugs should only be connected using
relays to invert the polarity.
A diode must be added between the negative Glow-plug trigger on the relay
and the negative Glow-plug wire of the car. This is to prevent feedback
effects on the Glow-plug indicator light on the instrument cluster: the light on
the dash would come on because of the feedback, even though the circuit is
off.
When the user remote-starts the vehicle:
x The Remote Car Starter will power up the Ignition circuit and wait to
engage the Starter Motor while the Glow-plug indicator light is still
on.
x The Remote Car Starter will engage the Starter Motor as soon as the
Glow-plug light (+) goes out.
o Minimum waiting time is 3 seconds.
o Maximum waiting time is 18 seconds.
If no Glow-plug wire is found on the vehicle, the Glow-plug input on the
Remote Car Starter may be “timed out”. The Remote Car Starter will power
up the Ignition and Glow-plug circuits and simply wait for the time-out before
starting:
x Connecting the Glow-plug input wire of the Remote Car Starter to
Ignition will hold the ignition ON for the maximum waiting time (18
sec., recommended).
x Keeping the Glow-plug input wire of the Remote Car Starter
unconnected will hold the ignition ON for the minimum waiting time
(3 sec., not recommended in very cold environments).
Connect the Glow-plug wire to the Ignition wire only after the Tach
programming has been completed: connecting the Glow-plug wire is one of
the very last steps in the installation process.