1977 Mercury Cougar Xr-7 Coupe
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=79288
Printed Date: July 03, 2025 at 11:42 AM
Topic: 1977 Mercury Cougar Xr-7 Coupe
Posted By: aussie_roper
Subject: 1977 Mercury Cougar Xr-7 Coupe
Date Posted: June 18, 2006 at 6:27 PM
I cannot Find Any Wire Diagrams to install An Aftermarket Stereo in an 1977 Mercury Cougar Xr-7 Coupe. I've tried trial and error but it just doesn't seem right. it is the old eighttrack with am/fm radio. there are 2 pink wires w/ yellow and white, two black with white, one orange and misc wires with other colors, if anyone could help me with a little insight it would be greatly appreciated.
Replies:
Posted By: mobilesndfx
Date Posted: June 18, 2006 at 6:38 PM
I installed a HU in that exact same car in the early '90s, way before the net and wiring diagrams being available. Just use a DMM, test all wires, it isnt that hard.
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Alpine 9835, MB Quart components, (3) JL Audio 10w3v2, JL Audio 500/1, JL Audio 300/4, Streetwires wiring
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