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KEY IN SENSOR CIRCUITS:
If the vehicle you are working on does not have or you cannot locate the ECM reference wire, there are two
alternatives available. Although not preferred, the vehicle Key In Sensor may be reconfigured to allow a margin
of safety and will prevent the vehicle with a Mechanical Neutral Start Switch from starting in gear.
AUDIOVOX ADVISES THAT YOU MAINTAIN THE FACTOR Y CIRCUIT WHENEVER POSSIBLE. The following
two circuits may be used only if the above circuit is not available.
NOTE: When completing an installation using either of the following key in sensor circuits, if the operator inserts
the ignition key while the vehicle is running under the control of the Remote Start, the vehicle will shut
down. This must be explained to the operator as it is in contrast to the normal operation of a vehicle
utilizing an electrical neutral start switch and is inconsistent with the operators manual.
Additional information concerning Key In Sensor method s1&2arelisted below and should be reviewed before
considering either alternative.
Method 1 will allow the safety required for the remote start unit and prevent the vehicle from starting while in
any gear other than Park or Neutral while the key is in the ignition cylinder however, if the key is left in the
ignition switch and the door is left opened, the added relay will be energized causing a 150mA drain on the
battery.
Method 2 will allow the safety required for the remote start unit and prevent the vehicle from starting while in
any gear other than Park or Neutral while the key is in the ignition cylinder however, the original factory key in
chime module will not alert the owner that the key has been left in the ignition switch. In addition, this may also
effect other warning tones such as the light on reminder.
These situations should be carefully considered before altering the vehicle's wiring and must be fully explained
to the consumer.
These circuits may be used only if the above circuit is not available.
METHOD 1
128-5404
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