---
product_id: 84544468
title: "Metra 70-5521 Radio Wiring Harness for Ford 03-Up Amp - Cream/red/white/grey"
brand: "metra"
price: "€ 79.62"
currency: EUR
in_stock: false
reviews_count: 6
url: https://www.desertcart.com.cy/products/84544468-metra-70-5521-radio-wiring-harness-for-ford-03-up
store_origin: CY
region: Cyprus
---

# 1.5K Ohm pop-eliminator resistor Factory amp integration 2 RCA pre-amp plugs Metra 70-5521 Radio Wiring Harness for Ford 03-Up Amp - Cream/red/white/grey

**Brand:** metra
**Price:** € 79.62
**Availability:** ❌ Out of Stock

## Summary

> 🔊 Upgrade your ride’s sound without the drama—Metra makes it plug, play, and slay!

## Quick Answers

- **What is this?** Metra 70-5521 Radio Wiring Harness for Ford 03-Up Amp - Cream/red/white/grey by metra
- **How much does it cost?** € 79.62 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.com.cy](https://www.desertcart.com.cy/products/84544468-metra-70-5521-radio-wiring-harness-for-ford-03-up)

## Best For

- metra enthusiasts

## Why This Product

- Trusted metra brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Pop-Free Power-Up:** Built-in 1.5K Ohm resistor eliminates annoying turn-on pops for a smooth audio experience.
- • **OEM-Grade Build Quality:** Thicker cables and OEM connectors ensure durability and hassle-free installation every time.
- • **Premium RCA Connectivity:** Includes dual RCA plugs for clean, high-fidelity pre-amp output to your aftermarket radio.
- • **Effortless Aftermarket Upgrade:** Retain factory wiring and connectors while upgrading your sound system—no rewiring headaches.
- • **Seamless Factory Amp Integration:** Plug-and-play harness designed to perfectly connect with Ford, Lincoln, and Mercury 2003-2005 factory amps.

## Overview

The Metra 70-5521 Radio Wiring Harness is a precision-engineered solution for integrating aftermarket radios with factory amplifiers in select Ford, Lincoln, and Mercury models from 2003-2005. Featuring dual RCA plugs, a 24-pin power connector, and a pop-eliminating resistor, this harness ensures a clean, professional installation that preserves OEM wiring integrity and delivers superior audio performance.

## Description

We at Metra always strive to listen to our customers. You have told us to do a better job at telling the Metra sto ry. For over 70 years, Metra has maintained its cutting edge by paying attention to our marketplace and innovating products to fit the needs of the installer. We are the "Installer's Choice" because we are installers. We design our products to be easy to use and easy on the eyes. If you can see a Metra product, then we haven't done our job. Metra Turbokits are designed to be heard but not seen. This means that our fit and finish is the best in the business. Why trust your installation to a shoddy and time consuming kit? Our GSXL Turbowires are designed with the same philosophy in mind. Their longer length for ease of installation and thicker OEM cables with OEM connectors make for a mighty install, with no down time on returns or angry customers.

Review: Be Careful - This just arrived after waiting patiently for its arrival from the USA. Unfortunately this does not fit the Ford Explorer 05 as stated. Good quality item, but clearly a waste of time and money as seller is USA based, this isn't worth a return!
Review: El arnes quedó a la perfección, muchas gracias solo que al querer conectar el arnes chico mi camioneta ya no trae el conector macho que es para el subwoofer de fabrica que trae la camioneta la cual es una explorer eddie bauwer 2005.

## Features

- Factory amplifier integration harness
- 2 RCA Plugs plug into aftermarket radio's pre-amp outputs.Includes Ford Lincoln and Mercury 2003-2005 Turbowire and a 8-pin harness with a pair of RCAs for the OE woofer(s)
- One 24-pin power plug and one 8-pin subwoofer plug
- 1.5K Ohm resistor can be used on the amp-remote wire to eliminate turn-on pop
- Allows for the installation of an aftermarket radio using the existing factory wiring and connectors

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B000K50GTA |
| Best Sellers Rank | 1,102 in Car Wiring Harnesses |
| Department | Electronics |
| Item model number | 705521 |
| Manufacturer | METRA Ltd. |
| Product Dimensions | 0.05 x 0.05 x 0.05 cm; 9.07 g |

## Product Details

- **Brand:** Metra
- **Connector type:** RCA
- **Item dimensions L x W x H:** 1 x 1 x 1 millimetres
- **Item weight:** 0.02 Pounds
- **Material:** Copper, TPU

## Images

![Metra 70-5521 Radio Wiring Harness for Ford 03-Up Amp - Cream/red/white/grey - Image 1](https://m.media-amazon.com/images/I/41om2WFZ2FL.jpg)
![Metra 70-5521 Radio Wiring Harness for Ford 03-Up Amp - Cream/red/white/grey - Image 2](https://m.media-amazon.com/images/I/61CORK-mQCL.jpg)

## Customer Reviews

### ⭐ Be Careful
*by E***P on 12 August 2020*

This just arrived after waiting patiently for its arrival from the USA. Unfortunately this does not fit the Ford Explorer 05 as stated. Good quality item, but clearly a waste of time and money as seller is USA based, this isn't worth a return!

### ⭐⭐⭐⭐⭐ Review
*by E***. on 26 January 2023*

El arnes quedó a la perfección, muchas gracias solo que al querer conectar el arnes chico mi camioneta ya no trae el conector macho que es para el subwoofer de fabrica que trae la camioneta la cual es una explorer eddie bauwer 2005.

### ⭐⭐⭐⭐⭐ Review
*by J***F on 27 May 2018*

Just bought a ‘04 Lincoln Town Car and didn’t know wether it had an amp/sub or not(couldn’t speak with original owner as it was purchased through a family member and the manual was missing) so I went with this harness because if I didn’t need the amp out harness no big deal, but if I did...well then I’d need it lol. The harness itself is perfect for what it is, a simple harness to prevent cutting and splicing the OEM harness, wires were clearly marked and colors matched the harness for the after market stereo. Went with the Pioneer AVH-X490BS, if you get a pioneer look into getting the parking brake bypass switch. The only problem is that there was nowhere to connect the two blue wires on the harness with the RCA plugs, so I assumed I didn’t need it and just didn’t use it. Reconnected negative terminal on battery and tested radio and it worked great so I figured I was right. I go to install the Infinity Kappa speakers in the rear deck(btw if you have a Town Car be ready to take out the entire rear seat, both bottom and rear cushions to get access to the speakers......) and guess what I see?? A sub and amp.... I was planning on getting an amp for the speakers anyways, and maybe a 8” sub just for a little bass so I’ll just wait to get them rather than hook up the factory amp/sub. If you're replacing a radio you can’t go wrong with Metra, always quality products. Been using them as long as I can remember, and between work, my personal vehicles and friends/family I’ve installed more car stereos and speakers than I can remember and never had an issue with Metra.

## Frequently Bought Together

- Metra 70-5521 Radio Wiring Harness for Ford 03-Up Amp, computer
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- Metra Electronics 70-5520 Wiring Harness for Select 2003-Up Ford Vehicles, MULTI COLOR

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*Product available on Desertcart Cyprus*
*Store origin: CY*
*Last updated: 2026-02-14*