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1

Quick Reference Install Guide

Remote Start with Keyless Entry
4115V 

Control Button

(Valet Switch)

Door Lock/unlock

Harness

Side View

Antenna

Antenna

LED (Programming

indicator)

Parking light jumpers

Primary Harness

Remote Start Harness

Heavy

Gauge

Relay

Side View

Satellite Harness

Red 4-pin port,  Bitwriter/ ESP2 or D2D 

 

4x03

Wiring Connections

Primary Harness, 9-pin connector

1

LIGHT GREEN BLACK

(-) 200mA FACTORY ALARM DISARM OUTPUT

2

GREEN/WHITE

(-) 200mA FACTORY ALARM REARM OUTPUT

3

YELLOW

(+) IGNITION OUT (TO ALARM) 

4

WHITE/BLUE

(-) ACTIVATION INPUT 

5

ORANGE

(-) 500mA GROUND WHEN LOCKED/ANTI-GRIND OUTPUT *

6

BROWN

(-) 200mA HORN OUTPUT

7

RED/WHITE

(-) 200mA TRUNK RELEASE OUTPUT **

8

BLACK

GROUND INPUT

9

WHITE

(+/-) LIGHT FLASH OUTPUT

*  With the 1 button remote, the ground when locked feature is not available, 

however this wire will still function as an anti-grind output during the remote start 

sequence.
** Option not available on 1- button

Door Lock, 3-pin connector

1

LIGHT BLUE

(-) UNLOCK OUTPUT

2

EMPTY

NOT USED

3

GREEN 

(-) LOCK OUTPUT

Remote Start harness, 5-pin connector

1

BLACK/WHITE

(-) NEUTRAL SAFETY SWITCH INPUT

2

VIOLET/WHITE

TACHOMETER INPUT

3

BROWN 

(+) BRAKE SHUTDOWN INPUT

4

GRAY

(-) HOOD PIN SWITCH SHUTDOWN INPUT

5

BLUE/WHITE

(-) 200 mA 2ND STATUS/REAR DEFOGGER OUTPUT

Heavy Gauge Relay, 6-pin  connector

1

PINK

OUTPUT TO PRIMARY IGNITION CIRCUIT 

2

PURPLE

OUTPUT TO STARTER CIRCUIT 

3

ORANGE

OUTPUT TO ACCESSORY CIRCUIT

4

RED

(+) (30A) HIGH CURRENT 12V INPUT 

5

PINK/WHITE

OUTPUT TO SECOND IGNITION/ACCESSORY CIRCUIT

6

RED

(+) (30A) HIGH CURRENT 12V INPUT

Satellite harness - 4-pin connector

1

BLUE

(-) 200mA STATUS OUTPUT

2

ORANGE

(-) 200mA ACCESSORY OUTPUT

3

PURPLE

(-) 200mA  STARTER OUTPUT

4

PINK

(-) 200mA IGNITION OUTPUT

Installation Points

Tach Learning

To learn the tach signal:

1.  Start the vehicle with the key.

2.  Within 5 seconds, press and hold the Valet (Control) button.

3.  After 3 seconds the system LED will light constant when the tach signal is 

learned.

4.  Release the Valet (Control) button.

Important:

 This unit can learn the tachometer with the analog input or 

through D2D using an interface module. The unit confirms which source 

is used by flashing the parking lights.

When programming tach learning with:  

• 

Analog,

 the parking lights flash 

one 

time

• 

D2D interface module

, the parking lights flash 

twice

If the tachometer input on the system is connected to the vehicle, the D2D tachometer 

input will be ignored.

Virtual Tach

Note: Virtual tach is not recommended for diesel vehicles.

To program Virtual Tach:

1.  After the install is complete, remote start the car. 

2.  If the car does not start on the first attempt, let the remote start attempt again.

3.  Once the car starts, let it run until the parking lights come on.

4.  When the parking lights come on, shut off the remote start with the remote - 

that’s it! Virtual Tach is programmed.

Virtual Tach handles disengaging the starter motor during remote starting – it does 

not address over-rev. If the customer wants to have the over-rev protection capabil-

ity, the tach wire must be connected. This may involve more installation shop 

charges than initially quoted.

Important:

 If the Virtual Tach mode over cranks or doesn't crank the 

vehicle long enough to start and run the car, use the Bitwriter to add or 

subtract the starter output time.  You can adjust the output time in incre-

ments of 50msec of the learned time using the Bitwriter. 

Red 4-pin port, Bitwriter/ESP2 or D2D  programming

The Red 4-pin plug may be configured as a Bitwriter/ESP2 or D2D port. 

The factory default is Bitwriter/ESP2 mode.

To use as D2D mode follow the below steps:

1.  Make sure White/Blue activation wire is grounded.

2.  Power the unit up. The system LED flashes for 5 seconds to confirm D2D mode 

change.

3.  Remove the White/Blue wire from ground.

To change from D2D to Bitwriter/ESP2 mode:

1.  Make sure White/Blue activation wire is grounded.

2.  Power the unit up, the system LED turns on solid for 5 seconds to confirm Bit-

writer/ESP2 mode change.

3.  Remove the White/Blue wire from ground.

The procedure can be repeated to toggle from one mode to the other.

Important:

 If you power up the system with the White/Blue activation 

wire ungrounded, the system LED will come on solid for 5 seconds indi-

cating the system is in Bitwriter/ESP2 mode.

Remote Start Shutdown Diagnostics

The remote start module can inform you of what may have caused a remote start fail-

ure, if the remote start activates but fails to stay running. Before performing shutdown 

diagnostics it is important that you let the remote start shut off on its own i.e. let it 

attempt to start 3 times then shut down. Failure to do so causes the system to report 

the shutdown you used to shut off the remote start.

Note

: Shutdown diagnostics does not report if the vehicles factory immobilizer is 

causing the problem

To perform shutdown diagnostics:

1.  With the ignition Off, 

press

 and 

hold

 the Valet  button.

2. 

Turn

 the ignition On and then back Off while 

holding

 the Valet  button.

3. 

Release

 the Valet  button.

4. 

Press

 and 

release

 the Valet  button. The  LED flashes to report the last 

shutdown for one minute or until the ignition is turned on, as shown in the 

following table:

LED Flashes 

Shutdown Mode

1 flash 

 

Timed out  

2 flashes   

Over-rev shutdown     

3 flashes   

Low or no RPM, low battery (voltage and virtual tach modes)

4 flashes   

Transmitter shutdown (or optional push button)

5 flashes   

(-) Hood Shutdown (5 pin RS harness GRAY) 

6 flashes   

(+) Shutdown (5 pin RS harness BROWN)

7 flashes   

(-) Neutral safety shutdown (5 pin RS harness BLACK/WHITE)

8 flashes   

Wait-to-start timed out

Bitwriters with a date code of 6a or older require an IC 
upgrade (p/n 998M). Some bitwriters with a date code 
of 6B do not require the IC upgrade, refer to tech tip # 
1112 for more information. 

The Bitwriter® (p/n 998U) 
requires chip version 

2.7

 or 

newer to program this unit.

Guide Translations

For a Spanish or French version of the Installation Guide, please download it 

from www.directechs.com under “Resources”.

Traducción de los manuales:

Para obtener una versión en Español o Francés del Manual de Instalación, 

descárguela de www.directechs.com bajo el título “Recursos” (“Resources”).

Traduction du guide:

Pour une version française ou espagnole du guide d’installation, veuillez le 

télécharger à www.directechs.com sous «Resources».

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