Ford Premium Sound System Harness to Bypass or Integrate Factory Audio Components with Aftermarket Audio Components. Ford Premium Sound System Amplifier Eliminator System. Plugs into Car Harness and plugs into Amplifier Harness and into Speaker Inputs. To be used as a jumper bypassing the factory amplifier. Plugs into Pre-Amp Harness and into Speaker Harness at amp. Plugs into Car Harness (Power and Pre-Amp) plugs into Amplifier Harness and into Speaker Inputs
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