Metra 70-6510

Amp Bypass Wiring Harness for 2004-2005 Dodge Ram 1500, Ram 3500, Ram 2500 with Infinity System

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• Wiring Harness For 2004-2005 Dodge Ram With Infinity System
• For Models Without The Hands-Free Capable Option
• 204" Long Amplifier Bypass Harness
• One 22-Pin Power Plug, 18-Pin Amplifier Plug

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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
  • Compatible with 2004-2005 Dodge Ram 1500, Ram 3500, Ram 2500
  • 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

Compatible Vehicles

Please use our Fitment Guide to determine specific compatibility for the submodel and audio features

  • 2004 Dodge Ram 1500
  • 2004 Dodge Ram 2500
  • 2004 Dodge Ram 3500
  • 2005 Dodge Ram 1500
  • 2005 Dodge Ram 2500
  • 2005 Dodge Ram 3500

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Dodge 2005 with Infinity

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!

By William on May 15, 2012


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  • Vehicle produced after 2005: Inside driver’s side door
  • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
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