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DO NOT RELEASE THIS VEHICLE TO THE CONSUMER UNTIL YOU CONFIRM THE
OPERATION OF THE MANUAL SHUT DOWN / ENABLE FEATURE.
NEUTRAL START SAFETY TEST:
The intent of the neutral start switch is to prevent the vehicle from starting while the gear selector is in any position other
than Park, or Neutral. When installing a Remote Start Device, it is imperative that the Yellow Starter wire be connected
to the ignition switch side of the Neutral Start Switch. Consideration for the placement of a starter inhibit relay is
important as well, and should be connected to the ignition switch side of the Yellow Start Wire.
To test the integrity of the Neutral Start Safety Circuit:
1. Set the vehicle parking brake.
2. Block the drive wheels to prevent vehicle movement.
3. Temporarily disconnect the Brown/Black positive shut down wire from the vehicle's brake switch.
4. Sitting in the vehicle, start the engine using the vehicle's ignition key.
5. Step on the brake pedal and shift the gear selector into reverse.
6. Allow the transmission to shift. When you feel the engine pull, do not move the gear selector just turn the ignition
switch off. DO NOT attempt to remove the key.
7. Keeping the brake pedal depressed, activate the RF transmitter in an attempt to start the vehicle. The car should not
start.
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 reconfigure 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.
WARNING!
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 mechanical operation while the vehicle is in gear but offers no
consideration for electrical operation. Because of this potential problem, this installation requires the additional connec-
tion 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 reconfiguration of the control switch
wiring and the addition of a 4000 series diode. Shown is a typical GM Park/Neutral ECM input circuit. To connect the
Audiovox remote start unit to the GM Park / Neutral ECM input:
1. Locate the Orange / Black reference wire in the "C2" connector found at the ECM in GM B Body vehicles or, locate
the equivalent reference wire in the vehicle you are installing the Audiovox Remote Start Unit in.
2. Connect the Cathode, (Striped) end, of a 4000 series diode to this reference wire.
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