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A black rectangular wiring harness with multiple coloured wires and a moulded connector

Best Kits

Best Kits BHA7551 1995-2007 Nissan Amp Integration Harness

SKU CH-M6C9-HPQWZ

Connects an aftermarket radio to the factory amplifier in listed Nissan and Infiniti models from 1995 to 2007 using 18 gauge wiring

  • Product typeCar Stereo Add-Ons
  • Integrates aftermarket radio with factory amp across 1995-2007 Nissan and Infiniti models
  • 18-gauge wiring with EIA colour coding ensures reliable signal transfer and correct connections
  • Molded connector housings from precisely machined tooling provide secure fit and lasting durability
  • Retains factory amplifier function when installing new head unit without rewiring
  • Covers Altima, Maxima, Sentra, 350Z, Frontier, Titan, Xterra, Pathfinder and Infiniti G, I, J, Q, QX series

Amp Integration Harness for Nissan and Infiniti

This wiring harness connects an aftermarket radio to the factory amplifier in compatible Nissan and Infiniti vehicles. It covers a wide model range from 1995 through 2009 including Altima, Maxima, Sentra, 350Z, Frontier, Xterra, Pathfinder, Titan, Armada, 200SX, 240SX, Murano and several Infiniti models. The harness preserves the amplified audio system without cutting the original wiring.

Check Vehicle Year and Factory Amplifier

Confirm the exact year and trim of the vehicle because the same model name spans multiple years with different electrical architectures. The harness is designed only for vehicles equipped with a factory amplifier; base audio systems without an amplifier will not use this adapter. Verify the factory connector shape matches the harness before beginning installation.

18 Gauge EIA Color Wiring and Molded Connectors

Wires are 18 gauge and follow EIA standard color coding for straightforward identification during installation. Connector housings are molded from precisely machined tooling to replicate the factory plug dimensions and locking features. This construction supports a secure fit behind the dash and reliable long-term contact resistance in automotive environments.

How it compares

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

Price $15.99
Cheaper than about 80% of the 2,768 comparable items (median $21.99).

Specifications

Product
Product typeCar Stereo Add-Ons

Questions about this item

Does the BHA7551 harness come with everything needed to install an aftermarket radio, or do I need extra adapters?

The harness plugs directly into the factory amplifier wiring on compatible 1995-2007 Nissan and Infiniti models, so no additional adapter is required for the amp connection.

How do I know which vehicle application matches my 2003 Infiniti G35 or 2005 Nissan Altima?

The BHA7551 covers both the 2003-2005 Infiniti G35 and the 2005-2006 Nissan Altima, so a single harness works for either vehicle.

What does the 18-gauge wire specification mean for the audio signal in my car?

The 18-gauge EIA-colour-coded conductors carry the amplified speaker-level signals from the factory amp to the new head unit without significant voltage drop.

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