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Metra 70-1818

Low Level Amplifier Integration Harness for Select Chrysler Vehicles

In Stock

List price $29.99

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with warranty

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Arrives by Monday, Oct. 31 to zip 94107

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Metra Audio Store

Product Feature:

  • 12" Long Amplifier Integration Harness
  • For all Infinity system using a 35 Watt (or greater) Radio
  • 2 Eight pin connectors
  • A factory amplifier harness that is plugged in behind the radio and retains the factory amplifier
  • Set up for low level inputs only using the RCA Outputs from the aftermarket radio
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty


  • Yellow โ€“ 12V Constant
  • Red โ€“ 12V Accessory
  • Black - Ground
  • Orange โ€“ Dash Light Dimmer/Illumination
  • Blue - Amplifier Turn-On

Compatibility List:

  • Chrysler:
    • 1999 - 2001 300M
    • 1995 - 2000 Cirrus
    • 1993 - 1997 Concorde
    • 1984 - 1993 E-Class
    • 1984 - 1993 Fifth Avenue
    • 1990 - 1993 Imperial
    • 1984 - 1995 LeBaron
    • 1995 - 1998 LHS
    • 1984 - 1993 New Yorker
    • 1996 - 2001 Sebring Convertible
    • 2002 - 2005 Sebring Coupe
    • 1990 - 2001 Town & Country
  • Dodge:
    • 1995 - 2000 Avenger
    • 1984 - 2001 Caravan
    • 1984 - 1987 Charger
    • 1987 - 2001 Dakota
    • 1998 - 2001 Durango
    • 1993 - 2001 Intrepid
    • 1986 - 1989 Lancer
    • 1995 - 2001 Neon
    • 1984 - 2001 Ram 1500
    • 1995 - 2001 Stratus
    • 1984 - 2003 Full Size Van
  • Plymouth:
    • 1989 - 1995 Acclaim
    • 1996 - 1999 Breeze
    • 1997 - 2002 Prowler
    • 1987 - 1994 Sundance
    • 1984 - 1987 Turismo
    • 1984 - 2000 Voyager

Harness Features

Vehicle Sound System
This refers to what kind of sound system the vehicle has. Premium audio systems are generally name brand systems (such as JBL, Bose, Rockford Fosgate, etc) that have been installed inside a vehicle when it leaves the factory. Often they more advanced systems, complex wiring, factory amplifiers, and other features that can make installing aftermarket component difficult.
Premium Sound
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.
Install a Car Stereo & Bypass the Factory OEM Amplifier
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.
Chrysler 300
Chrysler Cirrus
Chrysler Concorde
Chrysler LHS
Chrysler New Yorker
Chrysler Sebring
Chrysler Town & Country Van
Dodge Avenger
Dodge Caravan
Dodge Charger
Dodge Dakota
Dodge Durango
Dodge Intrepid
Dodge Neon
Dodge Ram
Dodge Stratus Sedan
Dodge Van Full Size
Plymouth Acclaim
Plymouth Breeze
Plymouth Prowler
Plymouth Sundance
Plymouth Voyager

Premium Harness Features

Factory System Amplification
This refers to the factory sound system and whether the item is compatible with amplified or non-amplified systems.
Compatible Premium Audio Systems
Some vehicles have higher end audio systems installed in them by the manufacturer. This specifies which premium audio systems this item is compatible with.

Warranty and Return Policy

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

Summary of Customer Ratings & Reviews

Rating Distribution

5 Star
4 Star
3 Star
2 Star
1 Star

Average Attribution Rating


Santa Clarita, CA

Worked out great.

October 28, 2013

Simple and straight forward. I like these adapters... they allow me to keep the stock vehicle wiring in case I need to remove the aftermarket head unit.

8 of 12 found this helpful

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newburgh, ny

audio unit

May 27, 2016

I have a 2001 jeep grand Cherokee Lerado with the infinity sound system I purchased the metra70-1818 to work with my dual audio system, it worked perfectly, easy to connect. I highly recommend the 70-1818, the tech at sonic was very helpful.

0 of 0 found this helpful

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Why did you choose this?
Sonic Electronix Store
because your staff was very helpful, they know there stuff you're five stars
don b on Apr 20, 2016

Product Summary


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Internal Product ID


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 70-1818