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A black rectangular wiring harness with one 16-pin and one 14-pin connector

METRA

METRA 71-2105 Impala Monte Carlo 2006-Up Reverse Wiring Harness car electronics accessory

SKU CH-MP7B-1Q6NB

Reverse wiring harness with 16-pin and 14-pin plugs restores factory radio power and four-speaker connections in compatible 2006-2012 GM vehicles

  • Product typeDash Installation Kits
  • Plugs directly into the factory radio for a clean install
  • 16-pin and 14-pin connectors match the original harness exactly
  • Supplies power and four speaker channels from the OEM wiring
  • Works with Impala and Monte Carlo models from 2006 onward
  • Can repair a harness where the original plugs were cut or damaged

Direct-Fit Radio Harness for GM Vehicles

This METRA 71-2105 wiring harness plugs directly into the OEM radio connector on compatible General Motors vehicles from 2006 onward. It carries power and four speaker channels through one 16-pin plug and one 14-pin plug. The design restores the factory wiring interface when installing an aftermarket head unit.

Installers Replacing or Repairing Factory Radio

Technicians and DIY owners who need to connect a new stereo without cutting the vehicle harness will find this plug-and-play solution suitable. It also serves to repair a damaged original harness where the plugs have been cut off. Vehicles outside the listed Buick, Cadillac, Chevrolet, GMC, Hummer, Pontiac, Saturn and Suzuki applications or model years before 2006 cannot use this harness.

Dual-Plug Connector Configuration (16-Pin + 14-Pin)

The harness terminates in two distinct connectors: one 16-pin and one 14-pin. This specific pin-out matches the factory radio socket on the supported Impala, Monte Carlo, Silverado, Escalade and related models. Verifying that the vehicle presents both connectors is the single specification that confirms correct fitment.

How it compares

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

Price $17.99
Cheaper than about 67% of the 2,768 comparable items (median $21.99).

Specifications

Product
Product typeDash Installation Kits

Questions about this item

Will the 16-pin and 14-pin connectors need replacement if the locking tabs break?

The harness uses one 16-pin plug and one 14-pin plug that mate with the factory radio; if a tab breaks the entire harness must be replaced because the connectors are not sold separately.

What is the first limit reached when the harness carries power and four speaker channels continuously?

The factory wiring and connector pins set the current limit; sustained high-volume output can heat the pins before the harness itself fails.

Does the harness generate any heat or noise when the radio runs all day?

The harness is a passive wiring assembly with no active components, so it produces no noise and negligible heat under normal radio operation.

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