stock sub woofer hookup to aftermarket st
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Forum Name: Vehicle Wiring Information & File Requests
Forum Discription: Request Car Alarm, Car Stereo, Cruise Control, Remote Starter, Navigation, Mobile Video, and Other Vehicle Specific Wiring Info, Manuals, Tech Tips
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=118481
Printed Date: May 10, 2025 at 2:47 AM
Topic: stock sub woofer hookup to aftermarket st
Posted By: roadking951
Subject: stock sub woofer hookup to aftermarket st
Date Posted: December 13, 2009 at 11:18 AM
i would like to know if anyone can tell or has diaigram of how to hook up aftermarket stereo with sub woofer outputs, but using the stock subwoofer setup on a 2001 ford escape, lost in sub??????
Replies:
Posted By: i am an idiot
Date Posted: December 13, 2009 at 11:33 AM
Did you purchase the appropriate wiring harness? If you did buy a harness but it did not have provisions for the factory amp to be connected, you have the wrong harness. Carry your OEM radio into the shop you got the harness from, with the radio in hand they should have no problem getting you the right harness.
Posted By: roadking951
Date Posted: December 13, 2009 at 4:48 PM
do you have a wiring diagram and i will hard wire it??
Posted By: i am an idiot
Date Posted: December 13, 2009 at 6:35 PM
If you still have the OEM plug on the harness, connect the factory radio and using a meter determine which wire on the unused plug is the amp turn on wire. Then with the radio still connected, check the resistance between the remaining wires and the chassis of the radio, there should be 2 wires that read very clost to 0 ohms. Those 2 wires are the shield of the preamp signal leading to the amp. There should only be 2 wires remaining, those 2 will be the signal wires that feed signal to the amp.
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