Directechs DB3 Installation Manual page 5

Wiring diagram
Refer to "Pre-installation and application warnings" for important information, such as the description of each special note referenced in the diagram (
There are two possible installation methods for this vehicle. The alternative wiring diagram and information can be found
following this method. Choose the one that is more convenient and for all other info, refer to Vehicle connections.
VESCM (in upper driver kick panel)
D2D Port
(+) 12V Input
(-) Hood Input
(-) Ground (-) Ground
(AC) Tach Input
(+) Ignition Input
(+) Starter Output
(+) Brake
Black/Red wire
in driver's firewall
harness.
See Vehicle
connections for
more information.
5 403.VW08 1.39 2020 Audi Q7 (Smart Key)
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(+) 12V:
Red/Gray, pin 1
VESCM Right Connector
(black & white 73-pin conn.)
Hood Pin
Immo.
Remove the
cloth tape
for the twisted
Yellow and White
Immo. wires.
See Vehicle
connections for
more information.
(-) PTS 6:
Blue/Yellow, pin 3
(-) PTS 5:
White/Gray, pin 2
(-) PTS 4:
Yellow/Gray, pin 1
5 2 1
7 6 4 3
17 15
16
14 13 12 11 10 9 8
Black Connector
(rear of center console)
Twisted pair
(in driver kick, door harness)
HS CAN 3 High: Green
HS CAN 3 Low: Orange/Brown
Alternative:
HS CAN 1 Low: Violet/Brown,pin 14
HS CAN 1 High: Tan/Black: 3
HS CAN 1 Low: Tan: 4
HS CAN 3 High: Orange/Green: 5
HS CAN 3 Low: Orange/Brown: 6
Key Wrap: Orange/Red: 10
Key Wrap: Yellow/Red: 11
Key Wrap: Brown/Red: 12
3X Diode 1A
(-) PTS Output: Green/Black: 2
(AC) Tach Output: Violet/White: 5
(+) Ignition Status Output: Gray/Black: 7
HS CAN 3 wires
HS CAN 1 High: Blue/Green, pin 6
OBDII
1 8
Diagnostic
Connector
9 16
).
XKD2D65