Metra 70-2057 GM 2014-2020 Amplifier Bypass Harness for Select Vehicles
Metra 70-2057 GM 2014-2020 Amplifier Bypass Harness for Select Vehicles
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Metra 70-2057 GM 2014-2020 Amplifier Bypass Harness for Select Vehicles

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Key item features

  • Metra 70-2057 GM 2014-2020 Amp Bypass Harness .
  • Fits GM 2014 and Up Sierra 1500 2015 and Up Sierra 2500 and 3500 and Yukon
  • Amplifier bypass harness for select GM vehicles with a MOST ® amplifier
  • 72 inches long
  •  Color coded leads

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Apr 13, 2026
Reviewer name: Michael
2 out of 5 stars
2 out of 5 stars review

Verified Purchase

Exceedingly think wire gauge. Not safe it you are doing amp bypass with a solid amp. Alsk dont assume their wires/pins correctly match with all the factory wires. Best to verify.

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