1990 LS 400 Wiring Problem

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=31214
Printed Date: July 13, 2025 at 4:06 PM

Topic: 1990 LS 400 Wiring Problem

Posted By: miguel002
Subject: 1990 LS 400 Wiring Problem
Date Posted: April 28, 2004 at 2:40 PM

I just installed an aftermarket stereo in my 90 ls 400. Everything works except for the rear center speaker. There is a blue plug that I am assuming is the plug for this speaker. It has 6 wires running to it and one of them is a hot wire. How do you connect these wires into the deck, when there are no more spots for wires to be hooked up? If anyone has any input, it would be appreciated.

Thanks

Replies:

Posted By: boomer_106
Date Posted: April 28, 2004 at 10:34 PM

Did you get a wire harness for the car? They usually eliminate problems and are well worth it.

Posted By: miguel002
Date Posted: April 29, 2004 at 7:18 AM

The only harness that they had was for a 91 ls 400 which I quess does not have the blue plug. The other 2 plugs work good everything hooks up and everything works except for the center speaker

Posted By: boomer_106
Date Posted: April 29, 2004 at 10:05 AM

Only suggestion I can think of is to wire it in with the other two speakers.

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