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8. Repeat the above test this time move the gear selector to the drive position. If the unit attempts to
start, failing this test, recheck your Yellow Wire's connection. This wire must be connected to the
ignition switch side of the Neutral Start Switch. If the vehicle you are working on does not have an
Electrical Neutral Safety Switch, it will be necessary to re-configure the Remote Starts Wiring to
accommodate this vehicle. The information concerning the Mechanical Neutral Safety Switch provided
below will help you to determine if the vehicle you are working on has this type of safety switch and
will provide alternate wiring methods to accommodate this situation.
CAUTION!
REMEMBER TO RECONNECT THE BROWN/BLACK WIRE TEMPORARILY
DISCONNECTED IN STEP 3
DO NOT RELEASE THIS VEHICLE TO THE CONSUMER UNTIL YOU CONFIRM THE OPERATION
OF THE NEUTRAL SAFETY START FEATURE.
MECHANICAL NEUTRAL SAFETY SWITCH CONSIDERATIONS:
Mechanical neutral safety switch configurations differ slightly in that they do not offer the same level of
safety when installing a remote start device. Often when the ignition switch is turned off while the gear
selector is in any position other than park or neutral, the mechanical function will not allow the key to be
turned to the start position or be removed from the ignition cylinder. This configuration prevents me-
chanical operation while the vehicle is in gear but offers no consideration for electrical operation. Be-
cause of this potential problem, this installation requires the additional connection of a safety wire from
the remote start device to the vehicle Park/Neutral ECM Input or the vehicle key in sensor. This
connection will prevent remote start operation if the key is left in the ignition switch regardless of the
gear selectors position.
PARK / NEUTRAL ECM INPUT:
The Park / Neutral ECM input is the preferred method of installation. This not only maintains the
integrity of the factory circuit, it is also the easiest to install, providing the vehicle you are working on
has this ECM input.
The installation required for this application (shown below), indicates the slight re-configuration of the
control switch wiring and the addition of a 4000 series diode. Shown is a typical GM Park/Neutral ECM
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