03 impala rear defrost info needed

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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=99026
Printed Date: May 03, 2025 at 7:30 AM

Topic: 03 impala rear defrost info needed

Posted By: mennitti
Subject: 03 impala rear defrost info needed
Date Posted: November 15, 2007 at 5:30 AM

Anyone have info on the wire color of an 03 Impala's rear defrost and what the resistance is?

Thanks.

Replies:

Posted By: BNLUIS
Date Posted: November 15, 2007 at 12:00 PM

White wire locate behind the HVAC sistem wich is basiclly yhe heat controls that wire runs to a relay that energizes the rear defogger as well as heated mirrors if the car is equipped. The wire need a negative latch ground to activate the relay.( ground all the time the remote starter is running.

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Luis
Sound Waves
Is up to the installer to test all wires with a DMM whenever possible.

Posted By: mennitti
Date Posted: November 15, 2007 at 12:35 PM

Thank you.

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