Vehicle Connections - Directechs Directed DB3 Installation Manual

Vehicle connections

The connection information listed below is specific to the 2011 Buick LaCrosse (Smart Key). Refer to "Pre-installation and application warnings" for a list of important notes.
Data 14-pin blue connector (H1)
Module
Conn./Pin Color
H1/1 Light Green
H1/2 Violet/Yellow
H1/3 Tan/Black
H1/4 Tan
H1/5 Orange/Green
H1/6 Orange/Brown
H1/7 Brown
H1/8 Yellow
H1/9 Orange/Yellow
H1/10 Orange/Red
H1/11 Yellow/Red
H1/12 Brown/Red
H1/13 Red
H1/14 Black
Output 12-pin red connector (H2)
Module
Conn./Pin Color
H2/1 Black/White
H2/2 Green/Black
H2/3 Green/White
H2/4 Red/Black
H2/5 Violet/White
H2/6 Gray
H2/7 Gray/Black
H2/8 Violet/Green
H2/9 Violet/Brown
H2/10 Yellow/Black
H2/11 Orange/Black
H2/12 Blue/Red
Input 10-pin black connector (H3)
Module
Conn./Pin Color
10 403.GM9 2.42 2011 Buick LaCrosse (Smart Key)
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Description
(DATA) Single Wire CAN
No Connection
(DATA) HS CAN High
(DATA) HS CAN Low
No Connection
No Connection
Relay N.O. - No Connection
Relay COM - Immo. Data Interrupt (conn. side)
Relay N.C. - Immo. Data Interrupt (vehicle side)
Relay N.C. - No Connection
[3]
Relay COM - (MUX) Clutch Output
[3]
Relay N.O. -(-) Ground
(+) W2W Only - 12 Volt
(-) W2W Only - Ground
Description
(-) W2W Only - E-Brake Output
No Connection
(-) W2W Only - Door Output
No Connection
[1]
(AC) W2W Only - Tach Output
(+) W2W Only - (+) Brake Status Output
(+) Ignition Output
No Connection
[3]
(MUX) Brake Activation Output
Immo. Data
No Connection
(-) W2W Only - Hood Output
Description
Connects To
Wire Location
BCM under driver dash, blue 27 pin plug, pin 22
No Connection
BCM under driver dash, blue 27 pin plug, pin 24
BCM under driver dash, blue 27 pin plug, pin 23
No Connection
No Connection
No Connection
BCM under driver dash, green 25 pin plug, pin 2
BCM under driver dash, green 25 pin plug, pin 2
No Connection
Not Applicable
Must use a resistor.
BCM under driver dash, blue 27 pin plug, pin 4
Connects To
Wire Location
Remote Starter
No Connection
Remote Starter
No Connection
Remote Starter
Remote Starter
Remote Starter
No Connection
BCM under driver dash, blue 27 pin plug, pin 7
BCM under driver dash, green 25 pin plug, pin 2
No Connection
Remote Starter
Connects To
Wire Location
(+/-) Wire Color
Data Green
Data Dk. Blue
Data White
Data Green/Violet
Data Green/Violet
(chassis ground)
+ Red/Violet (30A)
(chassis ground)
(+/-) Wire Color
MUX Blue/Yellow
Data Green/Violet
(+/-) Wire Color