Vehicle Specific Audio Integration T-Harness

$69.00 LPHGM71

2019+ Non-Amplified GM Vehicles

  • Not compatible in vehicles equipped with a factory amplifier
  • Must have Infotainment system RPO code IOR to be compatible.
  • To verify the RPO code on your vehicle, you must scan the QR code on the GM label found in the driver's door jamb. The RPO codes will be listed in alphabetical order.

GM QR Code



  • IOR Harness
  • Clearly labeled pigtail harnesses
    • Power extension
    • Front speakers
    • Rear speakers
    • Simple subwoofer installation 
  • Instruction manual
LPH Installation Manual
 Download (1.43M)
LGD Load Resistor Reference
 Download (5.11M)