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Metra

Metra 70-1856 Tuner Bypass Harness for Cadillac Chevrolet 1992-1996

Metra 70-1856 Tuner Bypass Harness for Cadillac Chevrolet 1992-1996

Regular price $79.99 USD
Regular price Sale price $79.99 USD
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Confirm the size, power, connections, and included or separately required parts described on this page.

Metra 70-1856 is a tuner bypass harness for select non-amplified Cadillac and Chevrolet vehicles from 1992-1996. It bypasses the factory tuner location in compatible non-amplified applications so an aftermarket radio can be installed.

At a Glance

  • Tuner bypass harness for select Cadillac and Chevrolet vehicles
  • Designed for non-amplified models
  • 204-inch harness length supports routing to the tuner location
  • Used when the aftermarket radio installation requires bypassing the factory tuner
  • Helps avoid cutting factory wiring when used in the correct application

System / Wiring Notes

  • Designed for non-amplified models only
  • Not intended for Bose or amplified systems unless otherwise specified by current manufacturer data
  • Verify factory audio system and tuner configuration before installation

Exact Vehicle Compatibility

Find your vehicle below, then match the model year and factory-equipment details in the same row. Factory radio, amplifier, navigation, trim, speaker location, and connector differences can change which installation parts are required. If anything differs, contact MCOR before ordering.

Make Model Years Factory Equipment / Qualifier Application
Cadillac Brougham 1990-1992 Factory amplified audio system Factory amplifier bypass harness
Cadillac Brougham 1990-1992 Non-amplified factory audio system Radio wiring harness for non-amplified system
Cadillac DeVille Concours 1994-1995 Non-amplified factory audio system Radio wiring harness for non-amplified system
Cadillac Eldorado 1992-1993 column shift; Factory amplified audio system Factory amplifier bypass harness
Cadillac Eldorado 1992-1993 column shift; Non-amplified factory audio system Radio wiring harness for non-amplified system
Cadillac Eldorado 1992-1993 console shift; Factory amplified audio system Factory amplifier bypass harness
Cadillac Eldorado 1992-1993 console shift; Non-amplified factory audio system Radio wiring harness for non-amplified system
Cadillac Eldorado 1994-1995 Non-amplified factory audio system Radio wiring harness for non-amplified system
Cadillac Fleetwood 1993-1995 Factory amplified audio system Factory amplifier bypass harness
Cadillac Fleetwood 1993-1995 Non-amplified factory audio system Radio wiring harness for non-amplified system
Cadillac Fleetwood Brougham 1990-1992 Factory amplified audio system Factory amplifier bypass harness
Cadillac Fleetwood Brougham 1990-1992 Non-amplified factory audio system Radio wiring harness for non-amplified system
Cadillac Seville 1992-1993 column shift; Factory amplified audio system Factory amplifier bypass harness
Cadillac Seville 1992-1993 column shift; Non-amplified factory audio system Radio wiring harness for non-amplified system
Cadillac Seville 1992-1993 console shift; Factory amplified audio system Factory amplifier bypass harness
Cadillac Seville 1992-1993 console shift; Non-amplified factory audio system Radio wiring harness for non-amplified system
Cadillac Seville 1994-1995 column shift; Non-amplified factory audio system Radio wiring harness for non-amplified system
Cadillac Seville 1994-1995 console shift; Non-amplified factory audio system Radio wiring harness for non-amplified system
Chevrolet Corvette 1990-1993 Factory amplified audio system Factory amplifier bypass harness
Chevrolet Corvette 1994-1996 Factory amplified audio system Factory amplifier bypass harness
Chevrolet Corvette 1994-1996 Non-amplified factory audio system Radio wiring harness for non-amplified system

Fitment note: Year and model alone are not always enough to confirm compatibility. Match every factory-equipment qualifier shown for your vehicle, and contact MCOR Automotive if the radio, amplifier, navigation, speaker, camera, trim, or connector details are uncertain.

Installation Notes

  • Confirm exact vehicle fitment, factory audio system, and radio connector before installation
  • Additional parts such as a dash kit, antenna adapter, steering wheel control interface, or data interface may be required for a complete installation
  • Professional installation is recommended for best results
  • Check current manufacturer instructions and vehicle application data before installation

What’s in the Box

  • Metra 70-1856 tuner bypass harness

Technical Specifications

  • Brand: Metra
  • Model: 70-1856
  • Product Type: Tuner bypass harness
  • Application: Select non-amplified Cadillac and Chevrolet aftermarket radio installations requiring tuner bypass
  • Compatibility Type: Vehicle-specific
  • Factory Feature: Tuner bypass
  • Harness Length: 204 inches
  • Audio System: Non-amplified models

Identifiers & Packaging

  • MPN: 70-1856
  • UPC: 086429087167
  • Sold As: Each
  • Included Components: Tuner bypass harness

Why Buy From MCOR Automotive

  • Authorized retailer for the brands we sell
  • Specialists in vehicle audio integration, radio replacement parts, and installation accessories
  • 22+ years of professional automotive electronics experience
  • Expert support for compatibility verification and proper setup
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