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Rectangular black plastic connector with multiple coloured wires attached

METRA

METRA 70-9221 Standard Audio Wire Harness for 1990-2007 Volvo

SKU CH-7TST-BFWN7 MPN 70-9221

Connects an aftermarket stereo to the factory wiring in select 1990-2007 Volvo models without cutting original connectors

  • TypeCar Stereo Add-Ons
  • Direct factory fit for select Volvo models
  • Plug-and-play install with OEM-style connector
  • Covers S80, S60, V70, V90 and XC70 ranges
  • New condition harness ready for immediate use
  • Single harness replaces factory radio wiring

Standard Audio Wire Harness for Volvo

The Metra 70-9221 is a standard audio wire harness designed for select Volvo models produced between 1990 and 2007. It enables a direct connection between an aftermarket stereo and the vehicle's factory wiring without cutting original cables. This accessory suits owners of compatible S80, S60, V70, V90 and XC70 vehicles who want to upgrade their head unit while retaining the stock harness integrity. Installation is simplified by matching the original connector layout.

Passive Connection with No Power Draw

As a passive wiring adapter, the harness introduces no active electronics, so it generates no heat and requires no cooling or external power supply. It adds no audible noise to the audio signal path because it contains no amplifiers or signal processors. The current draw remains identical to the factory configuration since the harness only routes existing circuits. Reliability depends on the quality of the crimped connections made during installation.

Single Harness in the Box

The package contains one wire harness and no additional adapters, mounting hardware or software. No steering-wheel control interface, antenna adapter or amplifier integration module is included, so vehicles that rely on those features will need separate accessories. The harness alone provides the basic power, ground and speaker connections for a standard aftermarket radio install. Buyers planning a more complex integration should verify what extra parts their specific Volvo requires.

Highlights

  • Direct factory fit for select Volvo models
  • Plug-and-play install with OEM-style connector
  • Covers S80, S60, V70, V90 and XC70 ranges
  • New condition harness ready for immediate use
  • Single harness replaces factory radio wiring

Specifications

BrandMetra
TypeCar Stereo Add-Ons
Shipping weight0.05 kg
Package size25 × 25 × 25 mm

Questions about this item

How do I install the 70-9221 harness in my 2001 Volvo S60, and which step do people often miss?

Plug the harness into the factory connector behind the dash, then match each coloured wire to the aftermarket stereo harness; the step most people miss is securing the ground wire to a clean metal point on the chassis.

What maintenance or replacement will the 70-9221 harness need after several years in a 2005 V70?

The harness itself needs no scheduled maintenance; inspect the connector pins for corrosion or loose crimps if you develop intermittent sound, and replace the harness only if wires are damaged or pins are burnt.

What is the first limit that appears when the 70-9221 harness is used continuously in a 1998 V90?

Heat buildup at the factory connector is the first limit; sustained high volume can warm the pins enough to increase resistance, so keep wiring away from heater ducts and ensure the connector seats fully.

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