Metra - 70-1856 - GM 1989-1996 Tuner Bypass Harness

METRA – 70-1856

• SKU: 70-1856

• Model: 70-1856

• Product Type: Tuner Bypass Harness

• Application: GM Vehicles (1989–1996)

Description:
Metra 70-1856 tuner bypass harness engineered for select General Motors vehicles from model years 1989 through 1996. Allows bypassing the factory radio tuner to integrate an aftermarket head unit or audio system without cutting OEM wiring while retaining proper speaker and power connections.

FEATURES

• Designed specifically for 1989–1996 GM vehicles

• Bypasses the factory radio tuner for aftermarket audio installs

• Maintains power, ground, accessory, and speaker circuits

• Plug-and-play harness with vehicle-specific connectors

• Eliminates cutting and splicing of factory wiring

• Automotive-grade harness and connectors for long-term reliability

SPECIFICATIONS

• Harness Type: Tuner bypass harness

• Vehicle Compatibility: GM vehicles 1989–1996

• Connector A: Factory GM radio/tuner connector

• Connector B: Aftermarket radio interface harness

• Retained Circuits: Power, ground, accessory, speaker outputs

• Wire Gauge: Automotive standard (varies by circuit)

• Insulation: OEM-grade automotive harness insulation

• Installation Location: Dash / factory radio harness area

APPLICATION

• Vehicle Make: General Motors (GM)

• Years: 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996

• Fitment: Behind dash, OEM radio harness area for tuner bypass