SH457 Wiring Harness Same as FD-4594 / Metra 70-1775

General Features:

• Amplifier Integration Harness with RCAs
• Compatible with Select 1988-1994 Ford/ Lincoln/ Mercury
• For Ford Aerostar that has the EQ underneath the radio
• 4 RCA Plugs to plug to aftermarket radio's pre-amp outputs
• Heat resistant for lasting a lifetime
• Allows installation of aftermarket radio using factory wiring & connector
• High quality ABS plastic molded connector for the perfect fit
• Pre-stripped to make installation quick and easy
• No cutting of factory wiring needed
• Same as Metra 70-1775

Connections guide:

• Yellow – 12V Constant
• Red – 12V Accessory
• Black - Ground
• Orange – Dash Light Dimmer/Illumination
• Blue- Amplifier Turn-On