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Testing Wires

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=2358
Printed Date: July 21, 2025 at 9:57 PM


Topic: Testing Wires

Posted By: breaknrn
Subject: Testing Wires
Date Posted: July 30, 2002 at 7:49 AM

Hi,

Anyone know the best way to test out which wires are which in the stereo harness? (without buying a wiring diagram?)

I know how to test for the ACC and Illumination, but how do I test for the Ground, Constant, and Remote?

Any help would be much appreciated.

Jason



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Thank you and have a nice day.



Replies:

Posted By: cpgoose
Date Posted: July 30, 2002 at 8:12 AM

You don't really have to buy the diagrams, they're on the net.  This site has some good diagrams, too.

https://www.the12volt.com/installbay/vehicles.asp





Posted By: GlassWolf
Date Posted: July 30, 2002 at 11:33 AM
you may want to buy a harness however so you don't have to cut the one out of your car.
that'd be the "professional" way of doing things.


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-GlassWolf
Pioneer Stage-4, Orion, DynAudio, Fi




Posted By: jayhoe
Date Posted: July 31, 2002 at 12:49 PM
Quote: Originally posted by breaknrn on July 30, 2002

Hi, Get a 12v test and a AAA battery and with the battery (of course your car battery disconnected)  hold one wire at the end and go through all of them one speaker should sound letting you know which one it is. go through all of them and find the speakers then remeber that ur ground is most of the time black if not use the 12v test buy one that looks it a screw driver and after that hook up the car battery and test for the constant power wire it's usually yellow but it should light up ur 12v test without turning on ur car so be careful not to blow fuse after that u'll have the acc that i already set was red. there should be two more wires a blue for attennna and illumtion wire that u don't really need.  

Anyone know the best way to test out which wires are which in the stereo harness? (without buying a wiring diagram?)

I know how to test for the ACC and Illumination, but how do I test for the Ground, Constant, and Remote?

Any help would be much appreciated.

Jason




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Jayhoe one love





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