’97 grand marquis, stereo wiring?

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=122179
Printed Date: May 06, 2025 at 5:41 PM

Topic: ’97 grand marquis, stereo wiring?

Posted By: sean11901
Subject: ’97 grand marquis, stereo wiring?
Date Posted: June 06, 2010 at 2:57 PM

today i was working on a 97' grand marquees and the customer had tole me he has a wirieng harness adatpter but it does not plug in correctly. soo i looked at it and i noticed tat there was a tag on the smaller plug (speaker wires) and it said ford along with the date of Mfg. 1996.. so then i pulled up a 1996 wiriing diagram for a few different fords and none of them matched up with the colors in the car. what should i do to find out which speaker is which and what the polarity is?

Replies:

Posted By: the12volt
Date Posted: June 06, 2010 at 3:08 PM

https://www.the12volt.com/installbay/forum_posts.asp~TID~74637~PN~1

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Posted By: i am an idiot
Date Posted: June 06, 2010 at 3:09 PM

Carry the radio into your local stereo shop so they can get you the right harness.

Posted By: i am an idiot
Date Posted: June 06, 2010 at 3:11 PM

I think he has an amplified system. Is the plug in question a square plug with a metal shield most of the way around it? If so, do not cut it off. Try and get the right harness.

Posted By: sean11901
Date Posted: June 06, 2010 at 3:23 PM

yess the speaker wires are in one isulation and has foil in it

Posted By: i am an idiot
Date Posted: June 06, 2010 at 4:10 PM

https://www.the12volt.com/installbay/forum_posts.asp?tid=122068&KW=i+am+an+idiot&tpn=1#599758

Of course the above will help you only if you have not cut the end off of the wire.

Posted By: topinstaller200
Date Posted: June 08, 2010 at 12:58 AM

get the ford premium harness kit. you will have to by pass the amp under the rear deck with plug that comes in kit

Posted By: vict87
Date Posted: June 18, 2010 at 12:41 AM

hello i have 96 grand marquis and for the car you have to buy a especial; conections you have to re-wire from the trunk to the dash bor thi car has a espesial tuner on the trunk .dont tring to buy conection on walmart or other estores because the conections dont work .you have to go to a shop.

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I want to be a profesional car estereo installer

Posted By: roadshop570
Date Posted: June 18, 2010 at 10:09 AM

Thats alot of work, the kind of work I do on Ford Taurus/Mecury Sable Installs....try metra 70-5600 harness

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Chadillac