Metra 70-5603 Amp Integration Harness for Ford Lincoln Mazda Mercury Nissan

Metra 70-5603 is a factory amplifier integration harness for select Ford, Lincoln, Mazda, Mercury, and Nissan vehicles. It supports a cleaner aftermarket radio installation by connecting the new radio or integration wiring to the vehicle-specific factory audio wiring without cutting the original harness where applicable.

Key Features

• Factory amplifier integration harness for select Ford, Lincoln, Mazda, Mercury, and Nissan vehicles
• Designed to integrate an aftermarket radio with compatible factory amplified audio systems
• Connects to the vehicle’s factory radio wiring without cutting the original connector where applicable
• Color-coded leads connect to the aftermarket radio harness
• Supports cleaner installation when retaining a compatible factory amplifier
• Designed for amplified systems using aftermarket radios rated 35 watts or greater
• Includes one 8-pin power plug and one 8-pin speaker plug
• Harness length: 12 inches

System / Wiring Notes

• Used when installing an aftermarket radio in compatible amplified factory audio systems
• Factory amplifier operation and retained features depend on vehicle trim and factory equipment
• Additional dash kit, antenna adapter, steering wheel control interface, or vehicle retention interface may be required
• Verify radio power output, factory amplifier configuration, and connector style before installation
• Designed for amplified systems using aftermarket radios rated 35 watts or greater where specified by Metra

Vehicle Compatibility

Installation Notes

• Confirm exact vehicle fitment, factory audio system, trim level, and connector style before installation
• Additional installation parts may be required depending on the vehicle and aftermarket radio being installed
• Professional installation is recommended for best results
• Review the manufacturer instructions before installation

What’s in the Box

• Metra 70-5603 amplifier integration harness

Technical Specifications

• Brand: Metra
• Model: 70-5603
• Product Type: Factory amplifier integration harness
• Application: select Ford, Lincoln, Mazda, Mercury, and Nissan vehicles
• Compatibility Type: Vehicle-specific
• Harness Length: 12 inches
• Included Plugs: one 8-pin power plug and one 8-pin speaker plug
• Radio Requirement: aftermarket radio rated 35 watts or greater where specified

Identifiers & Packaging

• MPN: 70-5603
• UPC: 86429088614
• Sold As: Each
• Included Components: Metra 70-5603 amplifier integration harness

Why Buy From MCOR Automotive

• Authorized retailer for the brands we sell
• Specialists in vehicle audio integration, radio replacement parts, and installation accessories
• 22+ years of professional automotive electronics experience
• Expert support for compatibility verification and proper setup