Directed DIRECTWIRE DIRECTECHS DB3 Installation Manual page 10

Additional remote start connections
(Not all of these connections may be required for your installation. Refer to the wiring diagram for vehicle-specific connections.)
Wire
12 Volts
Brake Wire
Ground
Hood Pin [1]
Ignition
Parking Lights -
Tachometer [2]
10 403.GM7 4.11 2005 Pontiac G6
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Connects To
Wire Location
BCM in center console front passenger side, red 41 pin plug (C3),
pin D1
BCM in center console front passenger side, gray 72 pin plug (C1),
pin 42
BCM in center console front passenger side, gray 72 pin plug (C1),
pin 69
ignition switch, green 6 pin plug, pin 3
headlight switch or BCM in center console front passenger side, gray
72 pin plug (C2), pin 5
any fuel injector
(+/-) Wire Color
+ red/black (50A)
+ white
(chassis ground)
- pink/black
+ pink
- brown/white
ac NOT pink