Vais Technology SoundLinQ3 Owner's Manual page 5

Connections
Connecting SoundLinQ3 to head unit using 20-pin Y-harness
Plug into
Head Unit
(connector "A")
Factory Audio
harness
Connection diagram used for all 2001-2009 Lexus vehicles
Connecting SoundLinQ3 to head unit using 12-pin Y-harness
B B
12-pin connector
Factory Audio
harness
(if present)
Plug into
Head Unit
(connector "B")
Connection diagram used for most 2004-2012 Toyota vehicles and
for most 2004-2009 Lexus vehicles (excluding Lexus SC430)
!
WARNING
Head Unit (Radio Receiver)
Lexus GX 470 Radio Receiver shown as an example.
Locate connector "A" (20-pin connector) on your Radio.
Connector location on the Radio may be
different from shown above.
Head Unit (Radio Receiver)
Lexus GX 470 Radio Receiver shown as an example.
Locate connector "B" (12-pin connector) on your Radio.
Connector location on the Radio may be
different from shown above.
To Un-plug any connector do NOT pull it by the wires.
20-pin connector
SoundLinQ3
20-pin Audio Harness (36")
SoundLinQ3
12-pin Audio Harness (36")
A A
To SoundLinQ3
!
CAUTION
Toyota head units
20-pin connector
IS NOT COMPATIBLE
with SoundLinQ3
Audio Harness
used for Lexus vehicles
To SoundLinQ3
5