Crux GM Class II Radio Replacement Interface with Chime

• Retains factory features in select GM Class II Data Bus vehicles while functioning with an aftermarket radio.
• Retains chime functions such as: seat belt, check engine, key in ignition, low fuel, low oil and lights on.
• Retains RAP (Retained Accessory Power).
• For installation of after-market radios.
• Installation Note : This interface does not support Premium BOSE / Y91 Systems.

Compatible Vehicles

• Buick 2004-05 Century
• Buick 2005-07 LaCrosse
• Buick 2003-07 Rainier
• Buick 2003-05 Rendezvous
• Buick 2005-07 Terrazza
• Cadillac 2004-06 Escalade
• Chevrolet 2003-06 Avalanche
• Chevrolet 2000-05 Cavalier
• Chevrolet 2003-13 Colorado
• Chevrolet 2005-13 Corvette
• Chevrolet 2004-07 Express
• Chevrolet 2000-05 Impala
• Chevrolet 2000-05 Monte Carlo
• Chevrolet 2003-04 S-10
• Chevrolet 2003-06 Silverado
• Chevrolet 2007 Silverado Classic
• Chevrolet 2003-06 SSR
• Chevrolet 2003-06 Suburban
• Chevrolet 2003-06 Tahoe
• Chevrolet 2002-09 Trail Blazer
• Chevrolet 2005-08  Uplander
• Chevrolet 2003-06 Venture
• GMC 2004-11 Canyon
• GMC 2002-09 Envoy
• GMC 2003-07 Savana
• GMC 2003-06 Sierra
• GMC 2007 Sierra Classic
• GMC 2003-06  Yukon
• Hummer 2003-07 H2
• Hummer 2005-09 H3
• Isuzu 2003-08 Ascender
• Oldsmobile 2001-04 Alero
• Oldsmobile 2002-04 Bravada
• Oldsmobile 2000-04 Silhouette
• Pontiac 2001-05 Aztek
• Pontiac 2001-05 Grand Am
• Pontiac 2004-08 Grand Prix
• Pontiac 2000-06 Montana
• Pontiac 2000-05 Sunfire
• Saab 2005-08 9-7x
• Saturn 2007 Relay

NOTES:

• Not compatible with BOSE system. Use part# SOCGM-17C for vehicles with BOSE audio system.
• Does not retain OnStar
• Does not retain Steering Wheel Controls.
• A relay may be needed for radios that require more than 3 amps power. See connection diagram below. An instance when a relay is needed is when the radio power cuts on and off.