Speaker Low Level Programmer / Harness for SYNC 2 & 3

$59.99 - $149.99 USD
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  • Changes the 4 speaker level outputs to variable, 4 volt, line level fading pre-outs for use with aftermarket amplifier without the use of a line level converter.
  • Simple DIY vehicle programming
  • Maintains factory & extended warranties
  • Non-refundable once used
  • Single vehicle use - locks to first vehicle
  • Guaranteed to work on compatible vehicle below 

Notes: The harness allows you to easily connect your amplifier to to the factory wiring. The harness provides stereo front and rear RCA connections for the low level input to the amplifier. As a bonus, the harness also offers high level speaker inputs to connect the output of your amplifier to the stock speaker wiring making for a plug-n-play experience. The harness uses industry standard color coding as outlined below: 

Front Left + White
Front Left - White/Black
Front Right + Gray
Front Right - Gray/Black
Rear Left + Green
Rear Left - Green/Black
Rear Right + Violet
Right Rear - Violet/Black



  • 2015-2020 F-150
  • 2017-2019 Super Duty
  • 2015-2022 Mustang
  • Will NOT work Sony, THX or B&O premium audio systems.


  • Simply insert into the diagnostic port below the steering wheel.



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30 Day Returns If Unused
One year from date of purchase
Easy Returns
30 Day Guarantee
1 Year Warranty
No Extra Charge
DIY Install
Live Tech Support