Need Audio Wiring Diagram for '88 Pontiac Grand Am

Printed From: the12volt.com
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=6781
Printed Date: May 11, 2025 at 1:12 PM

Topic: Need Audio Wiring Diagram for '88 Pontiac Grand Am

Posted By: cluelessintx
Subject: Need Audio Wiring Diagram for '88 Pontiac Grand Am
Date Posted: December 16, 2002 at 7:15 PM

I have bought a new cd/stereo to replace the cassette player in my 88 pontiac grand am but the clock doesn't stay set and I cant seem to find the right wires for the back speakers. I figured out the front speakers though lol. So if any one would be soooooooooooooooooooo kind as to send me a wiring diagram for my old radio so I can hook up my new one I'd be verrrrrrrrrry thankful.

Replies:

Posted By: the12volt
Date Posted: December 16, 2002 at 7:37 PM

Hi cluelessintx, here's what I have for an '88 Grand Am: 1988-89 Pontiac Grand Am Stereo Information

Posted By: chriswallace187
Date Posted: December 16, 2002 at 7:53 PM

also...it sounds like you've got the constant and switched power wires hooked up backwards. BTW, what happened to the plug for the factory radio?

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C Renner's Auto Electronix
My service is cheap, quick, and good - pick any two

Posted By: cluelessintx
Date Posted: December 17, 2002 at 12:51 AM

Thank you 12v. I think I should be able to fix it now. BTW Chris I know how to connect wires so why go buy another adapter which is what the instructions told me I'd have to do. Why spend money on something I can do without? Not to be rude. Just I like to tinker just needed a lil help. thanks guys.

Posted By: the12volt
Date Posted: December 17, 2002 at 6:45 AM

You're welcome, glad I could help.

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