90 Tercel Wiring Diagram?

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=39538
Printed Date: May 17, 2025 at 12:49 PM

Topic: 90 Tercel Wiring Diagram?

Posted By: vietboidavid
Subject: 90 Tercel Wiring Diagram?
Date Posted: September 22, 2004 at 8:51 AM

Hi i have a 1990 toyota tercel...and im trying to install the pioneer p660 head unit, but the wirings are so confusing!!! can anyone please help me out?!? im goin insane trying to figure it out....

Replies:

Posted By: Chad7n7
Date Posted: September 22, 2004 at 9:22 AM

Please tell me that you did not cut the factory harness?? If not, go down to your local stereo shop and for about $15.00, get you a wiring harness for an aftermarket HU.This will simplify your install, and is professional.

If you have already cut the harness, then try this.........

https://www.the12volt.com/installbay/detail.asp?info=alarm&year=1990&make=Toyota&model=Tercel&ID=19057&type=Stereo

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