This will turn off the remote start if someone attempts to drive the car without the keys or if the Ignition key is not
turned on all the way. See diagram above.
4
WIRING INSTRUCTIONS
PIN 10: TAN: (-) OEM DISARM OUTPUT
This wire provides a ground pulse to disarm the vehicles' FACTORY anti-theft system prior to Remote Start.
Connect this wire to the vehicles' anti-theft disarm wire. This wire is may found coming off the Driver's door key
switch or the Factory Anti-theft control module. This wire may not be needed if Factory Security only requires a door
unlock pulse.
PIN 11: TAN: (-) OEM REARM OUTPUT
This wire provides a ground pulse to rearm the vehicles' FACTORY anti-theft system after remote start, along with
door lock pulse, and after an aborted Remote Start. Connect this wire to the vehicles' anti-theft rearm wire or to the
door pin circuit depending on your requirements.
PIN 12: RED/WHITE: TACHOMETER INPUT
When installing the RS900 Series II in CONVENTIONAL TACH mode, this wire must be connected to a valid
source of AC voltage. This wire allows the RS900 to sense the engine and control the starter motor.
TACH MODE
Tach Mode:
The Tach mode is the most reliable and consistent method of engine speed sensing. When
using this mode, the WHITE/RED wire provides the input for the pulsing signal that is created by a running
engine to monitor and control the starter motor. Most modern engines include various points where this proper
signal may be obtained. TACH SENSE EXAMPLES: Negative (-) side of ignition coil, Distributor, Ignition
Module, Coil Pack, Engine Computer, or Crankshaft Sensor. Sometimes Fuel injection solenoids, and
Alternator stator pins can be used if necessary.
Note: The locations above are provided as a guide, your vehicle may differ. Some locations will NOT be
a good location for Tach source. Some of the locations given may be too noisy for the system to detect
a clean signal and/or the vehicle uses a Multi-spark ignition system that varies the spark. (Noisy
meaning Electrical or RF interference) Call Crimestopper for Tech Support when you cannot locate a
proper tach source for your vehicle.
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