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Rectangular black plastic wiring harness with multiple coloured wires and four RCA connectors

METRA

METRA 70-1730 Honda 2008-2011 head unit wiring harness car electronics accessory

SKU CH-0M8K-NJQF4 MPN 70-1730

Connects an aftermarket stereo to factory wiring and amplifier in 2008-2011 Honda Accord and CRZ models without cutting wires

  • Product typeCar Stereo Add-Ons
  • Install an aftermarket radio without cutting factory wiring
  • Factory amplifier integration harness connects to existing sound system
  • Four RCA plugs link to aftermarket radio pre-amp outputs
  • Compatible with 2008-2011 Honda Accord and CRZ models
  • Works with both manual and automatic climate control variants

Vehicle Compatibility

This Metra 70-1730 wiring harness is designed for 2008 to 2011 Honda Accord and CR-Z models equipped with the factory amplified premium sound system. It enables the installation of an aftermarket head unit while retaining the original amplifier and speaker wiring without any cutting or splicing.

Intended Installers

The harness suits DIY enthusiasts and professional installers who need a direct plug-and-play connection to the vehicle's factory plugs and the aftermarket radio's pre-amp RCA outputs. It is not suitable for base-model vehicles lacking the premium amplified system or for owners wishing to bypass the factory amplifier entirely.

System Integration

Four RCA connectors link the aftermarket radio's pre-amp outputs to the factory amplifier inputs, preserving the existing speaker wiring. The harness draws power and signal through the vehicle's original connector, freeing the installer from running new power or speaker cables through the cabin.

How it compares

Measured against everything we stock in Car Audio Accessories & Wiring, at today’s prices. Recalculated every night.

Price $9.99
Cheaper than about 91% of the 2,768 comparable items (median $21.99).

Specifications

Product
Brand nameMetra
Product typeCar Stereo Add-Ons
Size & build
Shipping weight0.45 kg
Package size25 × 25 × 25 mm

Questions about this item

What factory amplified sound system models does the 70-1730 harness integrate with?

The 70-1730 integrates with the factory amplified premium sound system found in 2008-2011 Honda Accord, Accord Crosstour 2010-2011, and 2011 CR-Z models.

Does the 70-1730 harness retain the factory amplifier when installing an aftermarket radio?

Yes, the 70-1730 is a factory amplifier integration harness designed to retain the vehicle's original amplified premium sound system when replacing the head unit.

How can I verify the 70-1730 harness is functioning correctly after installation?

Verify all four RCA plugs are firmly seated to the aftermarket radio's pre-amp outputs, then confirm audio plays clearly through all vehicle speakers without distortion.

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