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Review on Metra 70-1857 Tuner Relocation and Bose Integration Harness: Superior GM Vehicle Upgrade by Mike Bogan

Revainrating 4 out of 5

Fits C4 Corvette 1992

Comes with a very long harness which is very good. This fits my 1992 C4 Corvette. For this work on the same vehicle, do not use the wires behind the factory radio to connect to this harness. You will need to disconnect the wires from the ECM under the dash/glove box and connect those wires to this harness. Then route the wires back to your aftermarket radio.

Pros
  • Fits me great
Cons
  • Weight