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Metra 70-6510

Amp Bypass Wiring Harness for Select 2004 - 2005 Dodge Ram with Infinity System

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Designed to be used for 2002-2004 Dodge Ram Trucks this harness is used to Bypass the Factory Infinity Sound System in vehicles with the Handsfree capable option. You will want to check your rear view mirror for an icon of a telephone. If this icon is present the Metra 70-6510 is the harness for you.

For Vehicles without the Telephone Icon, please purchase Metra 70-6512

Product Features:

  • 204" Long amplifier bypass harness
  • One 22-pin power plug, one 18-pin amplifier plug
  • Harness is plugged in at the factory amplifier and ran to the location of the aftermarket radio or the aftermarket amplifier
  • Authorized Internet Dealer
  • 1-year Manufacturer's warranty

Harness Features

Main Harness Function
Different installations on different vehicles require different harnesses. This type is what the harness is considered. Each wiring harness we sell serves a purpose such as installing an aftermarket car stereo, integrating an aftermarket amplifier with your factory car stereo, connecting Bluetooth to your factory car stereo, and more.
Connect/Install an Aftermarket Car Stereo
Compatible Vehicle Make
Allows you to view only items that are compatible with your vehicle's make. Does not guarantee that it will work with your vehicle year or model.
Compatible Vehicle Make and Model
The model of vehicle that this vehicle specific product is designed for. Please keep in mind that engine variations can affect the compatibility of the products.
Dodge Ram

Warranty and Return Policy

Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Summary of Customer Ratings & Reviews

Rating Distribution

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Average Attribution Rating


Atascadero, CA

Dodge 2005 with Infinity

May 15, 2012

After some research I found that my 2005 Dodge had a unique factory Infinity system. I desired to change out the head unit but I required a special interface cable. The Metra 70-6510 did the trick and allowed me to bypass the stock amplifier that was otherwise unusable. Sonic Electronix gave me good advice and a prompt refund for the incorrect part I originally ordered. I highly recommend the product and Sonic. This quality is rare these days. Thanks, Sonic!

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will this work on 07 ram with infinity system?
A shopper on Dec 1, 2014
Best Answer: Hello,

The answer to your question is in the title; " 2002-2004 Dodge Ram" . However, If you wish to Bypass the Infinity System in an '07 , you seek either the Metra 70-6504 & Metra 70-6514 . Please review the manufacture's details for which is specific to your application.
Metra 70-6514
Metra 70-6514
Metra 70-6504
Metra 70-6504
Reply · Report · Customer SStaff on Dec 2, 2014
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Sonic Electronix Wiring Guide

Wiring Diagram Legend

Warning: The image depicted shows the resistance change when wiring multiple subwoofer terminals. Please refer to your subwoofer's owner's manual for the proper wiring of its terminals. Sonic Electronix, Inc. is not responsible for damage caused to your audio system or vehicle due to improper installation. Please call tech support at 1-877-289-7664 if you require additional assistance.

Product Name: Metra 70-6510