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PAC OS-5, OnStar Radio Replacement Interface For Select 29-Bit Lan

SKU: OS-5 UPC: 609098813655
Out of stock
$239.00

Retains OnStar® system functionality and the Bose factory-installed amplifier (if present) when the factory radio is replaced in a 29-bit GMLAN vehicle. Generates all safety warning chimes and audible turn signal indicators.

  • Retains OnStar® when the factory radio is replaced
  • Retains Factory Bluetooth (2009+ model vehicles)
  • Retains rear seat audio controls
  • Retains factory XM
  • Retains all warning chimes (chime module included)
  • Retains back-up sensors/park assist
  • Retains back-up camera signal
  • Retains factory BOSE audio systems
  • Retains factory premium BOSE audio (Y91 digital. does not support fading)
  • Supports non-amplified audio systems
  • Steering wheel control harness (pre-wired)
  • Dual zone function
  • Chime volume adjustment (factory buttons)
  • Rear seat audio and video (GMRVD) required
  • OnStar volume adjustment
  • Retained accessory power output (R.A.P.)
  • Reverse Wire output
  • VSS (Vehicle Speed Sense) output
  • Illumination output
  • Parking brake output
  • Includes antenna adaptor

NOTE: Fading is not supported in Premium amplified systems.


Compatibility Notes
  • 2012 Avalanche, Sierra, Silverado Suburban, Tahoe & Yukon vehicles equipped with a navigation radio require the OSGMLAN44 harness
  • In Premium Amplified Systems there will be no fading capability of the aftermarket stereo.
  • Chevrolet Express vans & GMC Savannah vans equipped with diesel engines are not compatible
  • In order to retain the factory XM tuner the aftermarket head unit MUST be equipped with an auxiliary input
  • In order to retain the factory XM tuner the vehicle must be equipped with steering wheel controls and a driver information center

WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to

www.P65Warnings.ca.gov