PAC - APH-TY03 - SPEAKER CONNECTION HARNESS FOR TOYOTA AND LEXUS VEHICLES

• Model: APH-TY03

• Type: 18″ speaker wiring harness / plug-and-play interface

• Purpose: Allows adding aftermarket amplifiers in factory-amplified Toyota / Lexus systems without cutting or modifying original wiring

• Compatible with PAC AmpPRO module AP4-TY11

• OEM-style plugs maintain factory connector integrity

• Uses EIA standard color-coded wires for speaker identification and correct polarity

• Eliminates the need to run new speaker cable throughout the car

Vehicle Compatibility (select models 2003–2010):

• Toyota 4Runner (2003–2008)

• Toyota Corolla (2005–2008)

• Toyota Prius (2004–2005)

• Toyota RAV4 (2004–2005)

• Toyota Sequoia (2005–2007)

• Toyota Sienna (2004–2010)

• Toyota Tacoma (2005–2008)

• Toyota Tundra (2005–2006)

Typical Wire Configuration:

• White / White-Black: Front Left

• Gray / Gray-Black: Front Right

• Green / Green-Black: Rear Left

• Purple / Purple-Black: Rear Right

• Blue / Blue-Black: Subwoofer (if present)

• Black: Ground pass-through

• Yellow: Constant 12 V pass-through

Installation Notes:

• Connects at factory amplifier wiring—no cutting of OEM wires

• Use with AP4-TY11 to provide RCA outputs and system integration

• Verify speaker polarity and mapping before final connections

• Some wire positions may not be populated depending on factory audio system

• Insulate unused wires

Included:

• 18″ APH-TY03 harness

• Installation guide