For 1997-2002 GM full-size Truck & Full-size vehicles
Plug and play compatibility with vehicles with 21-pin (BHA1858) style harnesses
Interface communicates directly on the Serial Data Bus (prevents false triggering)
Compatible with Bose systems (when using Peripheral’s SVEN4 + SVHGM2 or SVHGM3)
On-board amplifier will drive two 4-ohm speakers in stereo for use with front door speakers or external speakers
12-volt remote output for factory or aftermarket amplifier turn-on
Mute output wire to mute the aftermarket stereo head-unit
Includes LED indicator and adjustable L & R volume controls
1-year SonicElectronix.com warranty
Compatibility List:
Chevrolet:
2001 - 2002 Avalanche
1999 - 2002 Blazer
1998 - 1999 Lumina
1998 - 2002 Suburban/Tahoe
1998 - 2002 Venture
2001 Silverado
GMC:
1997 - 2002 Sierra
1998 - 2002 Suburban/Yukon
Pontiac:
1999 - 2002 Grand Prix
1998 - 2002 Montana
Note: The GMOS1 will interface with all GM radios that use the 21 pin / 9 pin connectors. If there is a “RDS logo on the radio face or the radio uses the 24 pin / 12 pin connectors, this interface will not work
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