PAC AP4-TY13 Quick Start Manual Download Page 3

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PAC-audio.com

Pacific Accessory Corporation

Page 3

Rev: V3

Date:062419

Advanced Amplifier Interface 

for Select Toyota Applications

AP4-TY13

Installation (cont.) 

Speaker Connections to Aftermarket Amplifier

The AP4-TY13 harness speaker wire outputs are able to be utilized for connecting the aftermarket amplifier to the existing 

speakers.  

1.  Using the wiring diagram and information below, cut the speaker wires that will be used between the AP4-TY13 30-pin 

connector that plugs into the OEM amplifier and the 30-pin connector that plugs back into the OEM harness.  

2. 

Insulate the cut wires on the amplifier side of harness.

3. 

Extend speaker wires from the aftermarket amplifier outputs and connect them to the appropriate wires in the AP4-TY13 

harness.

30-Pin AP4-TY13 Harness - Side that Connects to OEM Harness 

8

Blue

Subwoofer Speaker 2 Po

siti

ve (SW2+)

23

Blue / Black

Subwoofer Speaker 2 Neg

ati

ve (SW2-)

9

Green

Le

ft

 Rear Speaker Po

siti

ve (LR+)

24

Green / Black

Le

ft

 Rear Speaker N

egativ

e (LR-)

10

Purple

Right Rear Speaker Po

siti

ve (LR+)

25

Purple / Black

Right Rear Speaker Neg

ati

ve (LR-)

11

White

Le

ft

 Front Mid Po

siti

ve (LF+)

26

White / Black

Le

ft

 Front Mid Neg

ati

ve (LF-)

12

Gray / Red

Right Front Tweete

r Positive (RFTW+)

27

Gray / Blue

Right Front Tweete

r Negative (RFTW-)

13

Brown / White Subwoofer Speaker 1 Po

siti

ve (SW1+)

28

Brown / Black

Subwoofer Speaker 1 Neg

ati

ve (SW1-)

14

White / Red

Le

ft

 Front Tweete

r Positive (LFTW+)

29

White / Blue

Le

ft

 Front Tweete

r Negative (LFTW-)

15

Gray 

Right Front Speaker Po

siti

ve (RF+)  

30

Gray / Black

Right Front Speaker N

egativ

e (RF-)

Right Rear Speaker

Le

ft

 Front Midrange

Right Front Tweeter

Subwoofer 1

Le

ft

 Front Tweeter

Right Front Midrange

Pin Number 

Wire Color

Wire Descrip

ti

on

Label

Subwoofer 2

Le

ft

 Rear Speaker

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