Prestige APS-922E, Installation Manual

128-9364

9 of 28

9

 10 Green w/ Orange trace Wire: 

Tachometer Input Signal

This wire will continually monitor the engine's tach rate while the unit is under power of the Remote Start 

module.  This wire will be routed to the vehicle ECM tach input or through the firewall into the engine 

compartment and connect to the negative side of the ignition coil.  This Remote Start unit learns the tach 

rate of the vehicle and in most cases will operate properly from one coil pack regardless of the number 

of cylinders.  If the unit has difficulty sensing a single coil, this input can connect to an injector wire as 

an alternate. 

NOTE: 

For Hybrid mode selection, Bank 3 feature selection 5, this connection is not required, the unit 

will start the vehicle and run the allotted time based on feature selection and crank duration. 

 11 Black w/LT Green: 

Pulse Ground After Shut Down 

The Black w/ Light Green Trace wire will provide a 1 second 300mA pulsed ground output after the vehi-

cle is started under control of the remote start unit.  Typically this wire will be used to re-lock the vehicle 

doors if the doors unlock automatically when the factory anti-theft system is disarmed.  This wire will also 

activate when the transmitter is used to arm/lock the system.

 12 Black w/Blue trace Wire: 

Pulsed Ground Output Before Start

The Black w/ Blue Trace wire will  provide a 1 second 300 mA pulsed ground output 500mS before GWR 

becomes active as well as when the transmitter is used to disarm the system.  Typical use for this output 

would be to disarm a factory theft deterrent system to prevent false triggering of the factory alarm when 

the remote start unit engages or when the system is used to unlock the doors. This will also activate when 

the transmitter is used to disarm/unlock the system 

NOTE:

  This output can be selected to operate like the door unlock output as set in alarm feature setting #1 

by selecting feature #19 in Bank 3 for 2 Chirps or any other pulse timing shown for that feature selection.

 13 Black w/ Yellow trace Wire: 

Ground Output During Start (Crank) 

The Black w/ Yellow Trace wire will provide a 300 mA ground output  while the starter output of the remote 

start unit is active.  This output can be used to activate the Crank Low/Bulb Test wire found in some GM 

vehicles.  This wire is also referred to as the ECM wake up wire in some vehicles.

NOTE:

  The outputs above are low current outputs and must be used with a relay if the circuit's require-

ment is more than 300 mA.

14

LT. Blue Wire:  

Ground Output While Running (-) 300mA

This wire provides a  300mA ground output that becomes active 1.5 seconds before the Remote Start 

Unit initializes and remains grounded while running plus an additional 2 seconds after the Remote 

Start Unit turns off.  In all of the applications described below, a relay will be required. The Light Blue 

wire can be used to accommodate the following situations:

 A. Sensor By Pass:

If there is a Non Plug in Sensor used with the alarm system and it is not shunted during the Remote 

Start activation period, then vibration or noise from the running vehicle can cause the alarm to trigger.  

In this case, connect the Light Blue Wire to terminal #86 of a external relay.  Connect terminal # 85 of 

the relay to a fused + 12 volt battery source.  Cut the sensor's trigger wire and connect one end of the 

cut wire to terminal #30 and the other end of the cut wire to terminal #87a.  Just before the Remote 

Start unit is activated, the relay contacts will open, preventing the sensor's operation until the Remote 

Start unit shuts off.