after market radio, 05 expedition

Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=106201
Printed Date: May 14, 2025 at 2:48 PM

Topic: after market radio, 05 expedition

Posted By: donpay1217
Subject: after market radio, 05 expedition
Date Posted: July 17, 2008 at 4:46 PM

i am installing a after market radio in a 2005 ford expedition the replacement harness has only one adaptr,but the oem radio has 3 plugs . is there a different harness i should have or do i have the right one? the harness is 70-5520. thanks if anyone can help

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mr payne

Replies:

Posted By: i am an idiot
Date Posted: July 17, 2008 at 5:18 PM

One harness is for steering wheel controls. One is for the Subwoofer. The other harness (the only one you have) is to power the radio and connects the speakers. Using only this harness will result in no Subwoofer.

Posted By: donpay1217
Date Posted: July 17, 2008 at 7:29 PM

thanks for that information but now i need to find out what the right harness is for my system., i want to keep the factory sub hook up,if anyone can help,greatly appreciated

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mr payne

Posted By: i am an idiot
Date Posted: July 17, 2008 at 8:18 PM

70-5521

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