The Metra 70-2054 is a factory amplifier bypass harness engineered for select 1997–2009 GM vehicles equipped with factory amplified audio systems. Designed to simplify aftermarket radio installations, this harness bypasses the OEM amplifier while providing power and speaker connections directly to the new aftermarket radio. The harness plugs directly into the factory radio connectors and factory amplifier connections without requiring cutting into the original vehicle wiring. The color-coded aftermarket wiring follows standard EIA wiring colors for easier installation and cleaner integration. Features Factory amplifier bypass harness Designed for select GM vehicles Bypasses factory amplified audio systems Plug-and-play factory connectors No factory wire cutting required Color-coded EIA standard wiring Provides power and speaker connections Long 204” harness length Simplifies aftermarket radio installation OEM-quality molded connectors Designed for faster radio replacement installs Specifications Product Type: Amplifier Bypass Harness Vehicle Compatibility: Select GM Vehicles (1997–2009) Harness Length: 204” Installation Type: Plug-And-Play Connector Material: OEM-Quality ABS Plastic Wiring Standard: EIA Color Code Common Vehicle Compatibility Chevrolet Avalanche Chevrolet Tahoe Chevrolet Suburban Chevrolet Silverado Cadillac CTS Cadillac Escalade Cadillac SRX Cadillac XLR GMC Sierra GMC Yukon (Exact compatibility depends on factory amplified system and RPO codes.) Important Notes Designed specifically for factory amplified systems Some vehicles require matching RPO codes Factory subwoofer may not be retained in some applications Additional dash kit and antenna adapter may still be required Professional installation recommended Included In The Box 70-2054 bypass harness Vehicle connectors Installation instructions
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