Connections
5
Head Unit (Radio Receiver)
Factory Audio
harness
SoundLinQ3
20-Pin
Y-
harness
Plug into
Head Unit
(connector “A”)
A
A
To SoundLinQ3
Connection diagram used for all 2001-2009 Lexus vehicles
Connecting SoundLinQ3 to head unit using 20-pin Y-harness
Head Unit (Radio Receiver)
Connection diagram used for most 2004-2012 Toyota vehicles and
for most 2004-2009 Lexus vehicles (excluding Lexus SC430)
Connecting SoundLinQ3 to head unit using 12-pin Y-harness
B
B
Factory Audio
harness
(if present)
Plug into
Head Unit
(connector “B”)
20-pin connector
12-pin connector
CAUTION
!
Toyota head units
20-pin connector
IS
NOT COMPATIBLE
with SoundLinQ3
Audio Harness
used for Lexus vehicles
To Un-plug any connector do NOT pull it by the wires.
WARNING
!
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.
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.
SoundLinQ3
Audio Harness (36”)
To SoundLinQ3
SoundLinQ3
Audio Harness (36”)
SoundLinQ3
12 Pin
Y-
harness
