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Scosche FDK2B

Factory Amplifier Bypass Harness for Select Ford Vehicles with JBL/Premium Sound Systems

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List price $19.99

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with warranty

Order within 19 hrs 52 mins to ship 10/25

Arrives by Tuesday, Nov. 1 to zip 20147

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Product Features:

  • High Level Radio Replacement Kit
  • Bypasses factory Ford JBL/Premium sound amplifier
  • Connects the aftermarket stereo harness to the vehicles factory harness
  • Designed specifically to fit the compatible vehicles
  • Standard color coded wires provide a consistent and simplified installation
  • Made from OEM quality materials
  • Includes power and speaker wires
  • Compatible with Select 1989-1994 Ford Vehicles

Compatibility List:

  • Ford:
    • 1989-1994 Aerostar (headphone/EQ)
    • 1989-1994 Bronco II Eddie Bauer
    • 1989-1994 Escort
    • 1989-1994 Explorer
    • 1989-1994 Crown Victoria
    • 1989-1994 Probe GT
    • 1989-1994 Ranger
    • 1989-1994 Taurus
    • 1989-1994 Thunderbird


  • White: Left front positive
  • White/Black: Left front negative
  • Violet/Black: Right rear negative
  • Violet: Right rear positive
  • Black: Chassis ground (-12V)
  • Yellow: +12 volt battery constant
  • Red: +12 volt ACC switched
  • Blue/White: 12 volt remote output (amp remote, radio on signal)
  • Green: Left rear positive (LR+)
  • Green/Black: Left rear negative (LR-)
  • Gray/Black: Right front negative (RF-)
  • Gray: Right front positive (RF+)
  • Orange: Illumination

Harness Features

Vehicle Sound System
This refers to what kind of sound system the vehicle has. Premium audio systems are generally name brand systems (such as JBL, Bose, Rockford Fosgate, etc) that have been installed inside a vehicle when it leaves the factory. Often they more advanced systems, complex wiring, factory amplifiers, and other features that can make installing aftermarket component difficult.
Premium Sound
Main Harness Function
Different installations on different vehicles require different harnesses. This type is what the harness is considered. Each wiring harness we sell serves a purpose such as installing an aftermarket car stereo, integrating an aftermarket amplifier with your factory car stereo, connecting Bluetooth to your factory car stereo, and more.
Install an Aftermarket Car Amplifier & Connect to Factory Radio
Compatible Vehicle Make
Allows you to view only items that are compatible with your vehicle's make. Does not guarantee that it will work with your vehicle year or model.
Compatible Vehicle Make and Model
The model of vehicle that this vehicle specific product is designed for. Please keep in mind that engine variations can affect the compatibility of the products.
Ford Aerostar
Ford Bronco
Ford Crown Victoria
Ford Escort
Ford Explorer
Ford Probe
Ford Ranger
Ford Taurus
Ford Thunderbird

Premium Harness Features

Compatible Premium Audio Systems
Some vehicles have higher end audio systems installed in them by the manufacturer. This specifies which premium audio systems this item is compatible with.

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
4 Star
3 Star
2 Star
1 Star

Average Attribution Rating



Ford Premium Sound, JBL Amps

September 18, 2013

OE radio quit working. Bought this kit and installed an extra Alpine CD head unit we had. Works great. Great wiring kit and instructions.

11 of 14 found this helpful

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Product Summary


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Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Scosche FDK2B