Products

OnStar® Radio Replacement Interface for Select General Motors Vehicles without Bose Sound System

$129.95 OS-1

21-pin

 Retains the function of OnStar® when the factory radio is replaced. Generates all safety warning chimes. Compatible with non Bose audio systems.

  • Retains OnStar® when the factory radio is replaced
  • Plug-in installation for vehicles with 21-pin harness

Compatibility Notes
  • Not compatible with vehicles equipped with an RDS radio
OS-1 Instruction Manual
 Download (109.12k)
Tech Brief
1999 - 2002 Pontiac Grand Prix: No OnStar
 Download (524.89k)
Tech Brief
Converting harness to correct balance/fader
 Download (115.88k)